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A

  • A-File
    full catalog, sent from SPADOC (similar to CAVENet's daft)
    Orbit Dynamics Data Processing
  • ACAS
    Assured compliance assessment solution (DISA network security)
    Security
  • ACC
    Automatic Catalog Correction
    Management Data Processing
  • ACS
    Attitude Control System, which is a subsystem that calculates the SV's whereabouts and positioning.
    Satops Engineering
  • ADC
    Automatic differential correction
    Data Processing
  • AEHF
    Advanced Extreme High Frequency
    Communications
  • AFB
    Air Force Base
    Organization
  • AFSPC
    Air Force Space Command
    Organization
  • AGOM
    area gamma over mass; radiation pressure
    Orbit Dynamics
  • AMIC
    ASW message interface to CPS.
    Communications
  • AN/TPY-2
    Army/Navy Transportable Radar
    Satops
  • AOF
    area over flight (AS s/w computes potential ground visibility to overhead sats)
    General Terms
  • AOR
    Area of Responsibility
    General Terms
  • AOS
    Acquisition of Signal (or Satellite). AOS is the time that a satellite rises above the horizon of an observer.
    Orbit Dynamics
  • AObs
    associated observations
    Data Processing
  • ART
    Agile Release Train
    Management
  • AS
    astrodynamics standards (AFSPC suite of JSpOC-compatible astro algorithms)
    Orbit Dynamics
  • ASAT
    Anti-satellite weapons
    Satops
  • ASCC
    alternative space control center (former name of DSC2-D)
    Satops
  • ASOT
    Authoritative Source of Truth
    Analysis Tools
  • ASP
    automatic satellite propagation (creates ephemeris)
    Orbit Dynamics
  • ASTAT
    Association Status (0-4), residuals for each observation in the pass are evaluated against preconfigured association thresholds and multipliers representing established Association Status. Passes achieving ASTAT 0 or 1 are considered verified. Passes achieving ASTAT 2, 3, or 4 are “detagged” by the system and sent to retag processing.
    Data Processing
  • ASW
    astrodynamics support workstation (generates eGP TLEs and VCMs); Suite of GUI applications to support SP Catalog Maintenance, Conjunction Assessment, Catalog Metrics, and Sensor Calibration; Omitron legacy COTS product at CSpOC
    Satops Communications
  • ATL
    Applied Technology Lab, a physical lab & industry group
    General Terms
  • ATLAS
    Advanced Tracking Launch Analysis System
    Analysis Tools
  • ATP
    authority to proceed
    Management
  • ATS
    Absolute Time Sequence
    General Terms
  • AWE
    alarm warning and events (NDPP screen)
    Management
  • AaaS
    Antenna as a Service
    Communications
  • Accordion
    A navigational device which presents a hierarchical set of items in which only a single branch of that hierarchy is exposed at one time.
    Design
  • AdaLinE
    Adaptive Linear Element (algorithm for maneuver detection/processing)
    Analysis Tools
  • Alert
    Message with a severity and category that is triggered when a mnemonic passes a threshold value
    General Terms
  • Apogee
    farthest point an object in orbit reaches from Earth (closest point is Perigee)
    Orbit Dynamics
  • Application State
    A tag on the Global Status Bar that presents what state the application is in, such as Production, Review, or Testing.
    Design

B

  • B
    Drag ballistic coefficient
    General Terms
  • BAC
    budget at completion
    Management
  • BAM
    Breakup Analysis Module (AS app, finds time/location of satellite breakup)
    Analysis Tools
  • BCR
    baseline change request
    Management
  • BCWP
    budgeted cost of work performed
    Management
  • BCWS
    budgeted cost of work scheduled
    Management
  • BDA
    battle damage assessment
    General Terms
  • BLUF
    Bottom Line Up Front
    Management
  • BMC2
    ballistic missile command and control
    Satops
  • BMC3
    Battle Management, Command, Control, and Communications
    Satops
  • BMEWS
    ballistic missile early warning system
    Satops
  • BO
    Business Owner
    Management
  • BOE
    basis of estimate
    Management
  • BOM
    bill of material
    Management
  • BPP
    BMEWS and Pave Paws
    Management
  • BSA
    battle space analyst (OA at the NSDC)
    General Terms
  • BSTAR
    SGP4-type drag coefficient
    General Terms
  • BV
    Business value
    General Terms
  • BatchDC
    batch DC (AS app that performs least squares batch DCs using SSN obs)
    Data Processing
  • Brig Gen
    Brigadier General
    Organization
  • Buster
    Identify and flag classified data
    General Terms
  • Button
    A Button allows users to trigger actions by clicking, tapping, or pressing a corresponding key on a keyboard, such as “Enter.”
    Design

C

  • C & C
    command and control
    General Terms
  • C2
    command and control
    General Terms
  • CA
    Conjunction Assessment
    General Terms
  • CAC
    Common Access Card
    General Terms
  • CADT
    Conjunction Assessment Duty Technician
    General Terms
  • CAL
    cost account lead
    General Terms
  • CAMP
    (As in Space Camp) Commercially Augmented Mission Platform
    General Terms
  • CAPCO
    Controlled Access Program Coordination Office
    Organization
  • CARA
    Conjunction Assessment Risk Analysis
    Organization Analysis Tools
  • CAVENet
    Correlation, Analysis, and Verification of Ephemerides Network; SGI-based computer network
    General Terms
  • CBRNE
    Chemical, Biological, Radiological, Nuclear, and Explosives
    General Terms
  • CC
    Crew Commander
    Organization
  • CCAS
    combat capability assessment system, outputs scheduled sensor downtime
    General Terms
  • CCSC
    Command and Control System – Consolidated
    General Terms
  • CCSDS
    consultative committee for space data services
    General Terms
  • CDM
    Conjunction Data Message
    General Terms
  • CDR
    Commander
    Organization
  • CDRL
    contract/customer data requirements list
    General Terms
  • CFE
    Common Framework Environment (Dahlgren)
    Engineering
  • CLI
    Command Line Interface
    Engineering Human Computer Interaction
  • CLIN
    contract line item number
    General Terms
  • CMAS
    Cheyenne Mountain Air Station
    Organization
  • CMD
    Command/s
    General Terms
  • CMMC
    Cybersecurity Maturity Model Certification
    Security
  • CNS
    Capabilities Needs Statements
    General Terms
  • COA
    Course of Action
    Analysis Tools
  • COCO
    co-planar comparison (AS app that compares TLEs to find co-planar orbits)
    Analysis Tools
  • CODAC
    catalog orbit determination accuracy
    Data Processing
  • COLA
    Launch Collision Avoidance
    Organization
  • COMBO
    computation of miss between orbits
    Communications Data Processing
  • COMSEC
    Communications Security
    Security
  • CONOPS
    Concept of Operations
    General Terms
  • Capt
    Captain
    Organization
  • Checkbox
    A Checkbox allows a user to select a value from a small set of options.
    Design
  • Classification & Control Markings
    Markings required to be present on software that includes controlled or classified information.
    Design
  • Clock
    Clock shows the current date and time, and optional AOS and LOS timers.
    Design
  • CoIn
    communications infrastructure
    General Terms
  • Col
    Colonel
    General Terms
  • Color Palettes
    The list of color values used in and approved by the Astro design system.
    Design
  • Comms
    Communications
    General Terms
  • Compliance
    A list of rules used to determine if products align with Astro design and usage patterns.
    General Terms
  • Concept Sketch
    A sketch on paper that lays out the main content workspace and controls and clarifies the flow of user interaction from screen-to-screen.
    Design
  • Conjunction
    Collision Risk
    Satops
  • Contact
    Period in which a spacecraft is able to be in contact with a ground system
    Satops

D

  • D3SOE
    denied, degraded and disrupted space operating environment
    General Terms
  • DA
    data access
    Orbit Dynamics
  • DAL
    data accession list
    General Terms
  • DB State
    Database State
    General Terms
  • DC
    Differential Correction; techniques for improving GPS positioning accuracy
    General Terms
  • DCA
    dynamic calibration atmosphere
    Organization
  • DCE
    differential correction ephemeris
    Orbit Dynamics Data Processing
  • DCF
    DSC2 Common Framework
    General Terms
  • DCIO
    Deputy Chief Information Officer
    General Terms
  • DCP
    dynamic consider parameter
    Orbit Dynamics Data Processing
  • DCY
    decay report or a command initiating a decay report
    General Terms
  • DISA
    Defense Information Systems Agency
    General Terms
  • DISN
    Defense Information Systems Network
    General Terms
  • DLA
    dynamic LUPI algorithm
    General Terms
  • DNP
    Do Not Process
    General Terms
  • DNS
    Domain Name System
    General Terms
  • DOORS
    Dynamic Object-Oriented Requirements System
    Engineering
  • DOT&E
    Director of Operational Test and Evaluation
    Organization
  • DOY
    Day of Year
    General Terms
  • DRA
    Data Reduction and Analysis
    General Terms
  • DRB
    Discrepancy Review Board
    General Terms
  • DS
    deep space
    General Terms
  • DSC2-D
    distributed space command and control at Dahlgren
    General Terms
  • DSIL
    Distributed Systems Integration Laboratories
    Engineering
  • DX
    Developer Experience
    General Terms
  • Data Visualization
    The goal of Data Visualization is to make complex information accessible and easy to digest in a visual manner.
    Design
  • Degs
    Degree/s
    General Terms
  • Delta
    Symbol for change
    Orbit Dynamics General Terms
  • Delta-V
    Capability for a satellite to maneuver in orbit
    Orbit Dynamics
  • Design Tokens
    A pairing of the same code and visual properties in a format that is deployable across all platforms, acting as a single source of truth for both designers and developers.
    Design
  • Dialog
    A Dialog interrupts app processing to prompt a user to confirm an action or acknowledge a piece of information. It displays information along with a set of buttons allowing users to accept or cancel the actions presented within the Dialog.
    Design
  • DoC
    Demonstration of Capabilities
    General Terms
  • DoD
    Department of Defense
    Organization
  • DoS
    Department of State
    General Terms

E

  • EAC
    revised budget based on BAC and VAC
    General Terms
  • ECI
    earth-centered inertial reference frame
    General Terms
  • ECP
    Engineering change proposal
    Engineering
  • EDR
    energy dissipation rate
    General Terms
  • EGP
    extrapolated general perturbations
    General Terms
  • EGR
    error growth rate
    General Terms
  • ELCOMP
    TLE comparison app
    Analysis Tools Engineering
  • ELSET
    Element set
    General Terms
  • ELSET Plotter
    application on CAVENet
    Analysis Tools Engineering
  • EMA
    Enterprise Messaging & Adapters
    General Terms
  • ENS
    Emergency Notification System
    General Terms
  • ENUM
    special data type for predefined constants
    General Terms
  • EQA
    Element Quality
    General Terms
  • ERB
    Engineering Review Board
    Engineering
  • ESA
    European Space Agency
    General Terms
  • ESBMC2
    Enterprise Space Battle Management Command & Control
    General Terms
  • ESO
    enhanced surveillance operations
    General Terms
  • ETC
    estimated cost to completion
    General Terms
  • EVE
    ephemeris validation environment
    General Terms
  • EWR
    early warning radar
    General Terms
  • EXDIS
    Exclusive Distribution, DoS classification
    Security
  • Ephemeris
    predicted future location of a satellite
    General Terms

F

  • FELD
    Field elements
    Security
  • FMC
    Forced Motion Circumnavigation
    General Terms
  • FOSS
    Free and open source software
    General Terms
  • FOUO
    For Official Use Only, replaced by CUI
    Security
  • FOV
    field of view
    Security Orbit Dynamics
  • FRD
    Formerly Restricted Data
    Security
  • FVEY
    Five Eyes intelligence alliance
    Security
  • Forms
    A text field, input, or inputs which require interaction with the user to complete an action such as signing up for an account.
    Design

G

  • GCA
    Geocentric Crossing Analysis
    Analysis Tools
  • GEO
    geosynchronous orbit
    Orbit Dynamics
  • GEODSS
    ground-based electro-optical deep space surveillance
    Satops
  • GFE
    government-furnished equipment
    General Terms
  • GMSEC
    Goddard Mission Services Evolution Center
    General Terms
  • GMT
    Greenwich Mean Time
    General Terms
  • GNC
    Guidance, Navigation and Control subsystem
    Engineering
  • GOBS
    Geosynchronous Orbital Belt Software
    Analysis Tools
  • GP
    general perturbations
    General Terms
  • GRM
    Ground Resource Management
    Management
  • GRS
    Ground Resource Scheduling
    Management
  • GSO
    Ground Systems Operator
    General Terms
  • GSSAP
    geostationary SSA program
    General Terms
  • GSW
    global sensor watch
    General Terms
  • Gen
    General
    General Terms
  • Global Controls
    Display top-level system and equipment status throughout Astro applications.
    Design
  • Global Status Bar
    A full width view across the top of an application that displays the overall health and status of a system.
    Design
  • Govie
    Customer Resource
    General Terms
  • Grid
    A Grid system is a defined set of vertical columns and optionally horizontal rows based on time-tested principles of graphic design and layout.
    Design

H

  • HAC
    high accuracy catalog
    General Terms
  • HAMR
    high area to mass ratio
    General Terms
  • HASDM
    high accuracy satellite drag model
    General Terms
  • HBR
    hard body radius (same as radius of exclusion volume)
    General Terms
  • HBSS
    host-based security system (DoD COTS security software)
    General Terms
  • HEO
    highly elliptical orbit
    Orbit Dynamics
  • HIET
    high interest event tracker
    General Terms
  • HIO
    high interest object
    General Terms
  • HIT
    high interest tasking
    General Terms
  • HOS
    Hardened Operating System
    Engineering
  • HSA
    Human Safety Analyst; aka OSA (newer)
    General Terms
  • HSF
    human space flight
    General Terms
  • Hand jam
    operator manually enters data
    Human Computer Interaction
  • High-E
    Highly Eccentric orbit (e.g., Molniya orbit)
    General Terms

I

  • I&A
    Inspect & Adapt (Agile Program Increment terminology)
    General Terms
  • I&P
    Innovation & Planning (Agile Program Increment terminology)
    General Terms
  • I&W
    Indications and Warnings
    General Terms
  • ICD
    interface control document
    General Terms
  • ICE
    install, checkout and evaluation
    General Terms
  • IL
    DoD Impact Level; combination of data sensitivity and potential impact
    General Terms
  • IL2
    DoD Impact Level 2, accommodates DoD information approved for public release
    General Terms
  • IL4
    DoD Impact Level 4, accommodates DoD Controlled Unclassified Information
    General Terms
  • IL5
    DoD Impact Level 5, accommodates DoD CUI & National Security Systems
    General Terms
  • IL6
    DoD Impact Level 6, accommodates DoD Classified Information up to SECRET
    General Terms
  • IMOSC
    Integrated Mission Operations Control Center
    General Terms
  • IOD
    improved object detection
    General Terms
  • IOD or IODET
    initial orbit determination
    General Terms
  • IOE
    Integrated Operations Environment
    General Terms
  • IOMOD
    initial orbit determination module
    General Terms
  • IPR
    In Progress Review
    General Terms
  • IQT
    Initial Qualification Training
    Training
  • IRAD
    Internal Research and Development
    General Terms
  • IRCI
    infrared cloud imager
    General Terms
  • IRON
    Inter-Range Operating Number
    General Terms
  • ISS
    International Space Station
    Satops
  • ISSA
    integrated space situational awareness
    Satops
  • ISSE
    Information Support Server Environment
    General Terms
  • ITJ
    command to display tasking groups
    Satops
  • ITW/AA
    Integrated Tactical Warning and Attack Assessment
    Satops
  • Icons
    A graphic representation to convey meaning in a concise, visual manner.
    Design
  • IdCS
    Identified Catalog Services, used to query a catalog for specific entity classes like satellites.
    General Terms
  • Input Field
    A type of field that allows users to enter text or numeric data.
    Design

J

  • JFCC
    Joint Functional Component Command
    Satops Organization
  • JIRA
    Agile project management software
    General Terms
  • JMS
    JSpOC Mission System
    Satops
  • JMS-HIET
    JMS - High Interest Event Tracker
    General Terms
  • JOitL
    Joint Operator in the Loop
    Satops
  • JSpOC
    Joint Space Operational Command
    Satops Organization
  • JWICS
    Joint Worldwide Intelligence Communications System
    Satops Training

K

  • KDP
    Key Decision Points
    General Terms

L

  • LACE
    Lean Agile Center of Excellence
    Management
  • LADO
    launch and early orbit anomaly resolution and disposal operations
    Management
  • LAMOD
    look angle module
    Engineering
  • LDCM
    Limited Dissemination Control Marking
    General Terms
  • LEO
    low Earth orbit
    Orbit Dynamics
  • LFM
    linear frequency modulation
    General Terms
  • LOE
    level of effort
    Management
  • LOS
    Loss of Signal
    General Terms
  • LPM
    Lean Portfolio Management
    General Terms
  • LUpI
    length of update interval
    General Terms
  • Link
    A link (also known as a hyperlink) is a clickable text element. The link control is used for navigation, but can also trigger an event.
    Design
  • Log
    A tabular representation of application events and may include username, priority, equipment type, signal type, etc.
    Design
  • Lt
    Lieutenant
    General Terms
  • Lt Col
    Lieutenant Colonel
    General Terms
  • Lt Gen
    Lieutenant General
    General Terms

M

  • MAESTRO
    mission adaptive environment for spacecraft test and real-time operations
    General Terms
  • MAJCOM
    Major Command
    Organization
  • MAT
    Mission Area Teams
    Management
  • MBSE
    Model Based Systems Engineering
    Engineering
  • MD
    missile defense
    General Terms
  • MDC
    manual differential correction
    General Terms
  • MECA
    Mega Constellation Analysis
    General Terms
  • MEME
    mean equator, mean equinox
    General Terms
  • MEO
    Medium Earth Orbit
    General Terms
  • MGP
    Maintenance Group
    General Terms
  • MIE
    Mission Integration Enclave
    Engineering
  • MIL Standard
    government mandated service
    General Terms
  • MIP
    maneuver in progress
    Management
  • MOC
    Mission Operation Center
    General Terms
  • MOM
    Measure of Merit
    Management
  • MOSS
    Moron optical space surveillance
    General Terms
  • MPS
    mission processing system
    General Terms
  • MR
    management reserve
    Management
  • MS
    milestone
    Management
  • MW
    missile warning
    Management
  • Maj
    Major
    General Terms
  • Maj Gen
    Major General
    Organization
  • ManDC
    Manual Differential Correction
    General Terms
  • Message
    Tracks (obs), taskings, elsets.
    General Terms
  • Mnemonic
    Single value that can be monitored
    General Terms
  • Modeless Pane
    A visual pattern used to present temporary interactions inline and does not require user action before moving to another area of the page.
    Design
  • Mtx
    maintenance
    Management
  • Mx
    maintenance
    Management

N

  • NAF
    Numbered Air Force
    General Terms
  • NAO
    Network Administration Operator
    Organization
  • NARA
    National Archives and Records Administration
    Organization
  • NASA
    National Aeronautics and Space Administration
    Organization
  • NC3
    Nuclear Command and Control system
    General Terms
  • NCO
    Non-Commissioned Officer
    General Terms
  • ND
    Normal Decay
    General Terms
  • NDPP
    nontraditional data pre-processor
    General Terms
  • NDSA
    National Defense Space Architecture
    General Terms
  • NE
    near-Earth
    General Terms
  • NF
    abbreviated version of NOFORN
    General Terms
  • NFL
    new foreign launch
    General Terms
  • NGG
    Next Gen Geo
    General Terms
  • NIPR
    Non-classified Internet Protocol Router Network
    General Terms
  • NIST
    National Institute of Standards and Technology
    General Terms
  • NLT
    No later than
    General Terms
  • NMC
    Natural Motion Circumnavigation
    General Terms
  • NML
    normal, i.e., normal decay
    General Terms
  • NOAA
    National Oceanic and Atmospheric Administration
    Organization
  • NOFORN
    Classification marking caveat
    General Terms
  • NORAD
    North American Aerospace Defense Command
    General Terms
  • NOS
    network ops service
    General Terms
  • NRO
    National Reconnaissance Office
    Organization
  • NSDC
    National Space Defense Center
    General Terms
  • Navigation
    Navigation defines how the user moves through the application and establishes their mental model of the object hierarchy.
    Design
  • Navigational Tabs
    Divide major areas of content and to indicate a work process.
    Design
  • Notification Banner
    Events that deserve user attention, but don’t require a response, may be displayed in a Notification Banner. The Banner displays within the user’s field-of-view, but doesn’t block other interaction.
    Design
  • Notification System
    A system which generates, prioritizes, and displays event notifications for significant occurrences within an application and its associated systems and hardware.
    Design

O

  • OA
    orbital analysis or orbital analyst
    General Terms
  • OCM
    Orbital Conjunction Message
    Data Processing
  • OCR
    Office of Contributory Responsibility
    General Terms
  • OD
    orbit determination
    General Terms
  • ODE
    orbit determination ephemeris
    Data Processing
  • ODI
    orbit determination interval
    Data Processing
  • ODR
    Orbital Data Requests
    Data Processing
  • OEM
    Orbital Ephemeris Message
    Engineering Data Processing
  • OJT
    On the Job Training
    Training
  • OLA
    Operating Location Alpha
    General Terms
  • OMR
    observation maintenance request
    General Terms
  • ONR
    office of naval research
    Organization
  • OPIR
    Overhead Persistent Infrared
    Data Processing
  • OSA
    Orbital Safety Analyst
    General Terms
  • OT&E
    Operational Test & Evaluation
    General Terms
  • OTA
    Other Transaction Authority
    General Terms
  • OTL
    Ops Tasking List
    General Terms
  • Ob(s)
    observation(s)
    General Terms
  • Ops
    Operations
    General Terms

P

  • PARCS
    perimeter acquisition radar attack characterization system
    Satops
  • PAVE PAWS
    Perimeter Acquisition Vehicle Entry Phased Array Warning System
    Satops
  • PC
    probability of collision
    General Terms
  • PCA
    position of closest approach
    General Terms
  • PEG
    Pegasus debris
    General Terms
  • PERT
    program evaluation and review technique
    Management
  • PI
    Program Increment
    Management
  • PMO
    Program Management Office
    Management
  • PNT
    Position, Navigation, and Timing
    General Terms
  • POBS
    partially associated observations
    Data Processing
  • POC
    Point of Contact
    Data Processing
  • POP
    Period of Performance
    Management
  • PPL
    pre-planned launch
    General Terms
  • PSLV
    Polar Space Launch Vehicle debris
    General Terms
  • PSO
    Payload System Operator
    General Terms
  • Pagination
    The process of dividing content for display on multiple pages. It is utilized when content, such as Search results, does not fit onto one page and must be split across multiple pages.
    Design
  • Perigee
    closest point an object in orbit reaches to Earth
    Orbit Dynamics
  • Period
    amount of time to complete an orbit
    Orbit Dynamics
  • Pitch
    Rotation around the side-to-side axis
    Orbit Dynamics
  • Pop Up Menu
    A Pop Up Menu provides users with a quick way to access common actions for a highlighted item.
    Design
  • Progress Indicator
    A Progress Indicator signals that an application is busy performing an operation.
    Design
  • Push Button
    A control that initiates an action.
    Design

Q

  • QBD
    quantifiable backup data
    General Terms

R

  • R-bar
    average radial vector
    Orbit Dynamics
  • R/B
    Rocket Body
    General Terms
  • R2C2
    Rapid Resilience Control and Command
    Engineering
  • RA
    reentry assessment
    Orbit Dynamics General Terms
  • RAAN
    right ascension of the ascending node
    Orbit Dynamics
  • RANODE
    the right ascension of the ascending node
    General Terms
  • RAVEN
    Residual Analysis and Visualization Environment
    Analysis Tools
  • RCO
    Rapid Capabilities Office
    Organization
  • RCS
    Radar Cross Section
    General Terms
  • RD
    Restricted Data
    General Terms
  • RDA&M
    requirements definition, analysis and modeling
    General Terms
  • RDSMO
    Research and Development Space and Missile Operations
    General Terms
  • RF
    Radio Frequency
    Orbit Dynamics Communications
  • RIA
    Recommended Improvement Areas
    Management
  • RIC
    Coordinate frame for spacecraft: Radial, In-track, Cross-track directions
    General Terms
  • RMF
    Risk Management Framework
    Management
  • ROAM
    Resolved, Owned, Accepted, Mitigated
    Orbit Dynamics Management
  • ROB
    Reference Orbit Builder
    General Terms
  • ROTAS
    Report Observation Tag and Association Status
    Analysis Tools Data Processing
  • RPO
    Rendezvous Proximity Operations
    Orbit Dynamics
  • RSC
    RDT&E Support Complex
    General Terms
  • RSO
    Resident Space Object
    General Terms
  • RTE
    Release Train Engineer
    Management
  • Radio Button
    Allows users to mutually select an option from a predefined set of options. When one selection is made, the previous selection becomes deselected.
    Design
  • Ref
    referring to
    General Terms
  • Research
    Research is an essential process to a project’s success. It reveals, clarifies, and establishes the foundation on which the application resides.
    Design
  • Rev
    revolution
    General Terms
  • Roll
    Rotation around the front-to-back axis
    General Terms
  • Rx
    Receive
    General Terms

S

  • S
    Secret classification level
    General Terms
  • SA
    situational awareness
    General Terms
  • SAAL
    standardized astrodynamics algorithm library
    Analysis Tools Data Processing
  • SAAS
    satellite attack assessment
    General Terms
  • SAC
    space analysis cell
    General Terms
  • SAFe
    Scaled Agile Framework
    General Terms
  • SAPF
    Special Access Program Facilities
    General Terms
  • SATC
    see SatCat
    General Terms
  • SATCOM
    satellite communications
    Communications
  • SATOPS
    satellite operations
    Satops
  • SATRAN
    satellite reconnaissance advanced notification
    General Terms
  • SBIRS
    Space Based Infrared System
    Satops
  • SCB
    Service Catalog Board
    General Terms
  • SCC
    satellite catalog number
    General Terms
  • SCG
    Security Classification Guide
    General Terms
  • SCI
    Sensitive Compartmented Information
    Security
  • SCIF
    Sensitive Compartmented Information Facility
    Security
  • SCM
    satellite catalog maintenance
    Satops
  • SCO
    Space Console Operator
    Satops
  • SCRWG
    satellite catalog renumbering working group
    General Terms
  • SDA
    Space Domain Awareness
    Satops
  • SDR
    software-defined radio
    General Terms
  • SDRL
    supplier data requirements list
    Data Processing
  • SDS
    space data server
    Security Data Processing
  • SE/Arch
    System Engineering / Architecture
    Engineering
  • SENSOR
    System Engineering and Sustainment Integrator
    Engineering
  • SEV
    space enterprise vision
    General Terms
  • SGI
    Silicon Graphics, Inc.
    Security
  • SGP4
    simplified general perturbations
    Security
  • SGPE
    Special General Perturbations Ephemeris
    General Terms
  • SGSS
    Space Ground System Solutions
    Satops
  • SHIO
    super high interest object
    General Terms
  • SIL
    Systems Integration Lab
    Engineering
  • SIPRNet
    Secret Internet Protocol Routing Network
    Communications
  • SISP
    single integrated space picture
    Satops Communications Data Processing
  • SKIWeb
    Strategic Knowledge Integration Web
    Data Processing
  • SLA
    sensor look angles
    General Terms
  • SLR
    satellite laser ranging
    General Terms
  • SMC
    Space & Missile Systems Center
    Organization
  • SME
    Subject Matter Expert
    General Terms
  • SMF
    Space Mission Force
    Organization
  • SNCO
    Senior Non-Commissioned Officer
    Organization
  • SOC
    Satellite Operations Center
    Satops
  • SOH
    State of Health
    Satops
  • SOI
    space object identification
    Satops Orbit Dynamics General Terms
  • SP
    special perturbations
    Orbit Dynamics
  • SPACECAT
    Space Catalog
    Orbit Dynamics Data Processing
  • SPADOC
    Space Defense Operations Center
    Satops Data Processing
  • SSA
    Space Situational Awareness
    Satops
  • SSC
    Spaces Systems Command
    Satops Organization
  • SSN
    Space Surveillance Network
    Satops
  • SST
    space surveillance telescope
    Satops
  • STO
    Space Tasking Order
    Satops
  • SV
    Space Vehicle
    Satops Orbit Dynamics
  • SWC
    Space War-fighting Construct
    Satops
  • S/C
    Spacecraft
    General Terms
  • Satf
    file of all TLEs
    General Terms
  • Sat
    satellite
    General Terms
  • SatCat
    satellite catalog
    General Terms
  • Search
    A specialized text field for entering search terms.
    Design
  • Segmented Button
    Allows users to select one item at a time from two to four options.
    Design
  • Select Menu
    A UI control that allows users to select a value from a list of values.
    Design
  • Sign In
    A form input in which a user enters authenticating information to gain access to specific information or usage of an application.
    Design
  • Sim
    simulation
    General Terms
  • Slider
    A graphical control element that allows users to choose from a range of continuous and discrete values.
    Design
  • Status Indicator
    Indicates the state of a device or feature in a standard and consistent way using color, shapes, labeling, and badging.
    Design
  • Status System
    A combination of colors and symbols to convey the status of a system.
    Design
  • Switch
    A Switch which describes a state or value. It allows users to change a setting between two states such as “On" and "Off."
    Design
  • Symbols
    A graphical representation or glyph associated with actions, concepts, or objects such as an asterisk.
    Design

T

  • T&C
    Telemetry & Command
    General Terms
  • TCA
    Time of Closest Approach
    Orbit Dynamics Management
  • TDRS
    Tracking and Data Relay Satellite
    General Terms
  • TDY
    Temporary Additional Duty
    General Terms
  • TEARR
    time, elevation, azimuth, range, range-rate
    Management Data Processing
  • TEM
    technical exchange meeting
    Training
  • TEME
    true equator, mean equinox
    Orbit Dynamics
  • TES
    Test and Evaluation Services
    Management Training
  • TIL
    test & integration lab
    Training
  • TIP
    Tracking and Impact Prediction
    Orbit Dynamics Analysis Tools
  • TLE
    two-line element
    Orbit Dynamics
  • TLM
    Telemetry
    Training
  • TO
    Technical Order
    General Terms
  • TOW
    test objective worksheet
    Management
  • TRACK
    Tiered ROTAS Association with Covariance Knowledge
    General Terms
  • TS
    Top Secret classification level
    General Terms
  • TSS
    The system shall
    General Terms
  • TT&C
    Tracking, Telemetry & Command
    Communications
  • TTX
    Training, Testing and Exercises
    Communications Training
  • Tables
    A UX design mechanism comprised of rows and columns used for displaying content.
    Design
  • Tabs
    Tabs in Astro Applications are used to divide major areas of content and to indicate work process.
    Design
  • Tags
    Small markers which often use color to identify important information at a glance, as well as filter and categorize items by keywords.
    Design
  • Telemetry
    satellite status data
    Communications
  • Theme
    A preset set of colors applied as a group to the design system.
    Design
  • Timeline
    Displays event information within a specified time period.
    Design
  • Tree
    A list box that displays the hierarchical relationship among the objects in the list.
    Design
  • Tx
    Transmit
    Communications
  • Typography
    The font and text settings that Astro uses across the design system.
    Design

U

  • U
    Unclassified or Uncontrolled Unclassified Information
    General Terms
  • UCA
    Upcoming Contacts Allocated
    Data Processing
  • UCD
    uncatalogued near space object
    Data Processing
  • UCT
    uncorrelated track/target
    Data Processing
  • UDL
    Unified Data Library
    Data Processing
  • UDLM
    urgent depot-level maintenance
    Management
  • UDOP
    user defined operational picture
    Data Processing User Experience
  • UEWR
    updated early warning radar
    General Terms
  • UO
    uncorrelated/unassociated observation
    Data Processing
  • USAF
    United States Air Force
    Organization
  • USSTRATCOM
    United States Strategic Command
    Organization
  • UTC
    Coordinated Universal Time
    General Terms
  • UUI
    Uncontrolled Unclassified Information
    General Terms

V

  • Validation
    Ensures that data is properly entered into an Input Field or Form. It alerts users to data errors, required input, and prompts them to make corrections.
    Design

W

  • Wireframe
    A page schematic or screen blueprint that represents the skeletal framework of a Web page or Web site.
    Design
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