D Acronyms and Abbreviations
ACTD
Advanced concept technology demonstration
ACTS
Advanced Communications Technology Satellite
AEW
Airborne early warning
AI
Artificial intelligence
AOR
Area of responsibility
APD
Average pass duration
APPD
Average pass per day
ASIM
Automated System Intrusion Monitor
ATM
Asynchronous transfer mode
ATR
Automatic target recognition
ATS
Advanced technology satellite
BDA
Battle damage assessment
C2
Command and control
C2I
Command, control, and intelligence
C3
Command, control and communications
C4ISR
Command, control, communications, computing, intelligence, surveillance, and reconnaissance
CCD
Camouflage, concealment, and deception
CDL
Common data link
CEC
Cooperative engagement capability
CEP
Circular error of probability
CNO
Chief of Naval Operations
COTS
Commercial off the shelf
CVN
Nuclear-powered aircraft carrier
DARPA
Defense Advanced Research Projects Agency
DBS
Direct broadcast satellite
DDS
Defense dissemination system
DISA
Defense Intelligence Service Agency
DOD
Department of Defense
DSCS
Defense Satellite Communication System
ECM
Electronic countermeasure
EHF
Extremely high frequency
ELINT
Electronic intelligence
EO/IR
Electro-optical, infrared
FAA
Federal Aviation Administration
FIWC
Fleet Information Warfare Center
FOPEN
Foliage penetration
FPA
Focal plane array
GCCS
Global command-and-control system
GCP
Ground control point
GEO
Geostationary orbit
GIS
Geographic information system
GOPEN
Ground penetration
GPS
Global Positioning System
HDTV
High-definition television
HF
High frequency
HMI
Human-machine interface
HUMINT
Human intelligence
IFF
Identification friend or foe
IFOV
Instantaneous field of view
IO
Information operations
IP
Internet protocol
IPB
Intelligence preparation of the battlefield
IR
Infrared
ISA
Intelligent software agent
ISAR
Inverse synthetic aperture radar
ISDN
Integrated services digital network
ISO
International Organization for Standardization
ISR
Intelligence, surveillance, and reconnaissance
IVHS
Intelligent vehicle highway system
IW
Information warfare
JCS
Joint Chiefs of Staff
JTA
Joint technical architecture
JTIDS
Joint Tactical Information Distribution System
LAN
Local area network
LEO
Low Earth orbit (satellite)
LES
Leading-edge services
LIDAR
Light detection and ranging
LOS
Line of sight
LPI
Low probability of intercept
MCG
Mapping, charting, and geodesy
MEO
Medium Earth orbit (satellite)
MIDS
Multifunction information distribution system
MILSTAR
Military strategic and tactical relay
MRC
Major regional conflict
MTI
Moving target indicator
MWIR
Mid-wave infrared
NASA
National Aeronautics and Space Administration
NCA
National Command Authority
NEDT
Noise equivalent detection temperature
NIMA
National Intelligence Mapping Agency
NIR
Near-infrared
NPOI
Naval prototype optical instruments
NRL
Naval Research Laboratory
NSA
National Security Agency
OODA
Observe, orient, decide, act
OOTW
Operations other than war
OPAM
Optical phased-array modulator
PCM
Pulse code modulation
PCS
Personal communications system
PSK
Phase shift keying
PSTN
Public switched telephone network
RCA
Radio Corporation of America
RCS
Radar cross section
R&D
Research and development
RF
Radio frequency
ROEs
Rules of engagement
SAR
Synthetic aperture radar
SatCom
Satellite communications
SCR
Signal-to-clutter ratio
SIGINT
Signal intelligence
SINCGARS
Single-channel ground-to-air radio system
SNR
Signal-to-noise ratio
SPOT
Systeme Probatoire d'Observation de la Terre
STAP
Space-time adaptive processing
SWIR
Short-wave infrared
TacSat
Tactical satellite
TDMA
Time division multiple access
TDRS
Tracking and data relay satellite
TEL
Transporter erector launcher
T/R
Transmit/receive
TWT
Traveling wave tube
UAV
Unmanned aerial vehicle
UFO
UHF follow-on (satellite)
UHF
Ultrahigh frequency
URAV
Uninhabited reconnaissance aerial vehicle
VHF
Very high frequency
VMF
Variable message format
VPN
Virtual private network
VSAT
Very small aperture terminal