2D	two dimensional
3D	three dimensional
4D	four dimensional (three dimensional plus time)
A
ABIS	Advanced Battlespace Information System
ACOM	Atlantic Command
ACT II	Advanced Concept Technology II
ACTD	Advanced Concept Technology Demonstration
ACUS	Area Common User Systems
AFATDS	Advanced Field Artillery Tactical Data System
AI	artificial intelligence
AJP	Advanced Joint Planning
ALP	Advanced Logistics Program
ALSP	Aggregate-Level Simulation Protocol
AMPS	Advanced Mobile Phone Service
AOC	air operations center
APPEX	Advanced Power Projection and Execution
ARL	Army Research Laboratory
ASAS	All-Source Analysis System
ATD	Advanced Technology Demonstration
ATIRP	Advanced Telecommunications and Information Distribution Research Program
ATM	asynchronous transfer mode
ATO	air tasking order
ATR	automatic target recognition
AWE	advanced warfighting experiment
B
B3	level of security assurance
BADD	Battlefield Awareness and Data Dissemination
BC2	battlespace command and control
BDA	battle damage assessment
BDS-D	Battlefield Distributed Simulation Development
BFTT	Battle Force Tactical Trainer
B-ISDN	Broadband Integrated Services Digital Network
BMDO	Ballistic Missile Defense Organization
bps	bits per second
C
C2	command and control
C2I	command, control, and intelligence
C2V	Command and Control Vehicle
C3	command, control, and communications
C3I	command, control, communications, and intelligence
C4	command, control, communications and computers
C4I	command, control, communications, computers, and intelligence
C&S	computing and software
CASE	computer-aided software engineering
CBU	consistent battlespace understanding
CCTT	Close Combat Tactical Trainer
CECOM	(U.S. Army) Communications-Electronics Command
CENTCOM	Central Command
CFC	Combined Forces Command
CFOR	command forces
CGF	computer-generated force
CGS	common ground station
CINC	commander-in-chief
CIS	Combat Information System
CJTF	Commander, Joint Task Force
CMMS	Conceptual Model of the Mission Space
COA	course of action
COE	common operating environment
COMPASS	Common Operational Modeling, Planning, and Simulation Strategy
CONUS	continental United States
CORBA	Common Object Request Broker Architecture
COTS	commercial off the shelf
CTAPS	Contingency Tactical Automated Planning System
D
DAMA	demand assignment multiple access
DAOC	Distributed Air Operations Center
DARO	Defense Airborne Reconnaissance Office
DARPA	Defense Advanced Research Projects Agency
DBC	Digital Battlefield Communications
DBMS	database management system
DBS	Direct Broadcast Satellite
DCE	distributed computing environment
DDBMS	distributed database management system
DEEM	Dynamic Environmental Effects Model
DEW	directed-energy weapon
DIF	data interchange format
DII	Defense Information Infrastructure
DIS	distributed interactive simulation
DISA	Defense Information Systems Agency
DISN	Defense Information Systems Network
DLA	Defense Logistics Agency
DMA	Defense Mapping Agency
DMIF	Dynamic Multiuser Information Fusion
DMSO	Defense Modeling and Simulation Office
DOE	Department of Energy
DOT	Department of Transportation
DPE	Defensive Planning and Execution
DSCS	Defense Satellite Communications System
DSI	Defense Simulation Internet
DSP	digital signal processor
DSS	Decision Support System
DSWA	Defense Special Weapons Agency
DTAP	Defense Technology Area Plan
DTED	Digital Terrain Elevation Data
DTO	Defense Technology Objective
DVI	data/voice integration
E
EDCS	Evolutionary Design of Complex Systems
EHF	extremely high frequency
EIRP	effective isotropic-radiated power
EIS	Engineering Information System
ELF	extremely low frequency
EM	electromagnetic
EMD	engineering and manufacturing development
EMI	electromagnetic interference
EPA	Environmental Protection Agency
EPLRS	Enhanced Position Location Reporting System
EW	electronic warfare
F
FDR	Future Digital Radio
FEC	forward error correction
FLOP	floating point operation
FO	fiber-optic(s)
FPRA	forecasting, planning, and resource allocation
FY	fiscal year
G
Gbps	gigabit per second
GBS	Global Broadcast Services
GCCS	Global Command and Control System
GFLOP	giga-floating point operations
GHz	gigahertz
GloMo	Global Mobile Information System
GOTS	government off the shelf
GPS	Global Positioning System
H
HCI	human-computer interface
HCTR	high-capacity trunk radio
HF	high frequency
HLA	high-level architecture
HPC	high-performance computing
HQ	Have Quick
I
IADS	Integrated Air Defense Simulation
IAS	Intelligence Analysis System
ID	identification
IEEE	Institute of Electrical and Electronic Engineers
IFM	integrated force management
IFSAR	interferometric synthetic aperture radar
IM&D	Information Management and Distribution
INC	Internet controller
I/O	input/output
IP	Internet protocol
IPB	intelligence preparation of the battlespace
IPng	Internet protocol, next generation
IR&D	independent research and development
ISDN	Integrated Services Digital Network
ISR	intelligence, surveillance, and reconnaissance
IST	Information Systems Technology
IU	image understanding
IUA	image understanding architecture
IW	information warfare
J
JBC	joint battle center
JCOS	Joint Countermine ACTD Simulation
JCS	Joint Chiefs of Staff
JFACC	Joint Force Air Component Commander
JMASS	Joint Modeling and Simulation System
JMCIS	Joint Maritime Command Information Strategy
JPS	Joint Precision Strike
JPSD	JPS demonstration
JSIMS	Joint Simulation System
JSTARS	Joint Surveillance Target Attack Radar System
JTCTS	Joint Tactical Combat Training System
JTF	Joint Task Force
JWARS	Joint Warfare Simulation
JWCO	Joint Warfighting Capability Objective
JWID	Joint Warrior Interoperability Demonstration
JWSTP	Joint Warfighting Science and Technology Plan
K
kbps	kilobits per second
km	kilometers
L
LES	(DISA) Leading Edge Services (Network)
LOS	line of sight
LPI/D	low probability of interception/detection
M
M&S	modeling and simulation
Mbps	megabits per second
MCA	multichannel architecture
MCC	Microelectronics and Computer Technology Consortium
MCOPS	Maritime Campaign Operations Planning System
MCS	Maneuver Control System
MFLOP	mega-floating point operation
MHz	megahertz
MICOM	U.S. Army Missile Command
MLS	multilevel secure
MMITS	Modular, Multifunction Information Transfer System
ModSAF	Modular Semiautomated Force
MOUT	Military Operations in Urban Terrain
MPP	massively parallel processors
MRCI	Modular Reconfigurable C4I Interface
MRL	multiple rocket launcher
MSE	Mobile Subscriber Equipment
MSEA	Modeling and Simulation Executive Agent
MSRR	Modeling and Simulation Resource Repository
N
NASA	National Aeronautics and Space Administration
NASM	National Air and Space [Warfare] Model
NCAR	National Center for Atmospheric Research
NCCOSC	Naval Command, Control and Ocean Surveillance Center
NIMA	National Imagery and Mapping Agency
N-ISDN	Narrowband Integrated Services Digital Network
NIST	National Institute of Standards and Technology
NOAA	National Oceanic and Atmospheric Administration
NRaD	NCCOSC Research and Development Division
NRL	Naval Research Laboratory
NSA	National Security Agency
NSF	National Science Foundation
NSS	Naval Simulation System
NSSN	Next-Generation Nuclear Attack Submarine
O
OCONUS	outside continental United States
OMG	Object Management Group
OODBMS	object-oriented database management system
ORB	Object Request Broker
OTM	on the move
P
PACOM	Pacific Command
PCI	peripheral component interface
PC2JTF	Portable Command and Control Joint Task Force
PCMCIA	Personal Computer Memory Card International Association
PCS	Personal Communications System
PDA	planning and decision aids
POC	point of contact
POM	program objective memorandum
R
R&D	research and development
RAP	radio access point
RBV	Rapid Battlefield Visualization
RDEC	(U.S. Army CECOM) Research Development Engineering Center
RF	radio frequency
RFI	radio frequency interference
RFPI	Rapid Force Projection Initiative
RL	U.S. Air Force Rome Laboratory
ROE	rules of engagement
RSTA	reconnaissance, surveillance, and target acquisition
S
S&T	science and technology
SATCOM	satellite communications
SBD	simulation-based design
SBIR	small business innovation research
SC-21	21st Century Surface Combatant
SHF	super high frequency
SINCGARS	Single-Channel Ground and Airborne Radio System
SONET	synchronous optical network
SPC	Software Productivity Consortium
SR	surveillance and reconnaissance
SSCN	Secure Survivable Communications Network
STOW	Synthetic Theater of War
STRICOM	(U.S. Army) Simulation, Training, and Instrumentation Command
STS	sensor-to-shooter
T
T&E	test and evaluation
TACFIRE	tactical fire
TAMPS	Tactical Aircraft Mission Planning System
TCP	Transmission Control Protocol
TD	Technology Demonstration
TEED	Tactical End-to-End Encryption Device
TF	task force
TFLOP	tera-floating point operation
TFXXI	(U.S. Army) Task Force Twenty-One
THAAD	theater high-altitude air defense
TMD	theater missile defense
TMG	Tactical Multinet Gateway
TOC	tactical operations center
TRADOC	(U.S. Army) Training and Doctrine Command
TRANSCOM	(U.S. Army) Transportation Command
TRP	Technology Reinvestment Project
U
UAV	unmanned aerial vehicle
UDP	User Datagram Protocol
UHF	ultra high frequency
USMTF	U.S. message text format
V
VHF	very high frequency
VMF	variable message format
VR	virtual reality
VV&A	verification, validation, and accreditation
VV&C	verification, validation, and certification
W
WARSIM 2000	Warrior Simulation for year 2000
WFA	warfighter's associate
X
XVIII ABC	18th Airborne Corps