| 2D | two dimensional |
| 3D | three dimensional |
| 4D | four dimensional |
| A&A | analysis and assessment |
| ABLE | atmospheric boundary layer environment |
| ABM | agent-based model |
| ACAL | Army cyber-research analytics capability |
| AE | acoustic emission |
| AEM | alkaline exchange membrane |
| AFM | atomic force microscope |
| AFRL | Air Force Research Laboratory |
| AI | artificial intelligence |
| AIS | Abbreviated Injury Scale |
| AM | additive manufacturing |
| AMRDEC | Army Aviation and Missile Research, Development, and Engineering Center |
| AMT | Amazon Mechanical Turk |
| ANL | Argonne National Laboratory |
| APG | Aberdeen Proving Ground |
| API | application programming interface |
| APS | Advanced Photon Source |
| ARDEC | Armament Research, Development, and Engineering Center |
| ARL | Army Research Laboratory |
| ARLTAB | Army Research Laboratory Technical Assessment Board |
| ARO | Army Research Office |
| ATGM | anti-tank guided missile |
| BABT | behind-armor blunt trauma |
| BED | Battlefield Environments Division |
| BODN | bis-oxadiazole dinatrate |
| BSVL | ballistics survivability, vulnerability, and lethality |
| C4ISR | command, control, communications, computers, intelligence, surveillance, and reconnaissance |
| CASA | complex adaptive systems analysis |
| CCE | core campaign enabler |
| CEMA | cyber and electromagnetic activity |
| CFD | computational fluid dynamics |
| CHIMERA | Cyber Human Integrated Modeling and Experimentation Range Army |
| CISD | Computational and Information Sciences Directorate |
| CMOS | complementary metal-oxide-semiconductor |
| CNT | carbon nanotube |
| COTS | commercial-off-the-shelf |
| CRA | Collaborative Research Alliance |
| CRADA | cooperative research and development agreement |
| CREB | Center for Research in Extreme Batteries |
| CSD | computational structural dynamics |
| CSM | Center for Semiconductor Modeling |
| CT | computed tomography |
| CTA | Collaborative Technology Alliance |
| CW | continuous wave |
| DAHI | Diverse Accessible Heterogeneous Integration |
| DARPA | Defense Advanced Research Projects Agency |
| DE | directed energy |
| DFT | density functional theory |
| DIC | digital image correlation |
| DoD | Department of Defense |
| DOE | Department of Energy |
| DOFO | dioxadiazole fuoxan |
| DPD | dissipation particle dynamics |
| DRFM | digital radio frequency memory |
| DSM | distributed shared memory |
| ECM | energy coupled to matter |
| EEG | electroencephalogram |
| EIS | electrical impedance spectroscopy |
| EME | electromagnetic environment |
| ERA | essential research area |
| ET | eye tracking |
| EW | electronic warfare |
| FCC | face-centered cubic |
| FEC | forward error correction |
| FEM | finite element method |
| FFRDC | Federally Funded Research and Development Center |
| FIB | focused ion beam |
| FP | floating point |
| FPGA | field programmable gate array |
| FRM | fast-running model |
| FY | fiscal year |
| GDTA | goal-directed task analysis |
| GNSS | global navigation satellite system |
| GPS | Global Positioning System |
| GPU | graphics processing unit |
| HAT | human-agent teaming |
| HCI | human-computer interaction |
| HDR | high dynamic range |
| HER | hydrogen evolution reaction |
| HFE | human factors engineering |
| HIDRA | high-voltage in situ diagnostic radiography apparatus |
| HII | human-information interaction |
| HMI | human-machine interaction |
| HMS | hierarchical multiscale |
| HPC | high-performance computing |
| HRED | Human Research and Engineering Directorate |
| HRI | human-robot interaction |
| HSI | human systems integration |
| ICME | integrated computational materials engineering |
| ICRA | International Conference on Robotics and Automation |
| IED | improvised explosive device |
| IEEE | Institute of Electrical and Electronics Engineers |
| IMPRINT | Improved Performance Research Integration Tool |
| INSNA | International Network for Social Network Analysis |
| INVADE | integrated network vulnerability assessment discovery and exploitation |
| I/O | input/output |
| IoBT | Internet of Battlefield Things |
| IoT | Internet of Things |
| IP | Internet protocol |
| IR | infrared |
| ISC | Intelligent Systems Center |
| IT | information technology |
| JASS | Job Assessment Software System |
| JER | Jornada Experimental Range |
| JILA | Joint Institute for Laboratory Astrophysics |
| JP-8 | jet propellant 8 (fuel) |
| JTAPIC | Joint Trauma Analysis and Prevention of Injury in Combat |
| KCI | Key Campaign Initiative |
| LAB | Laboratory Assessments Board |
| LBM | lattice Boltzmann method |
| lidar | light detection and ranging |
| LQR | linear quadratic regulators |
| LWIR | long-wavelength infrared detector |
| MANET | mobile ad hoc network |
| MARC | Manpower Requirements Critera |
| MATERHORN | mountain terrain atmospheric modeling and observations |
| MBE | molecular beam epitaxy |
| MD | molecular dynamics |
| MDAE | multi-domain analysis environment |
| MEDE | materials in extreme dynamic environments |
| MEMS | microelectromechanical system |
| MFOP | maintenance-free operational period |
| MHI | machine-human interaction |
| mid-IR | mid-infrared |
| ML | machine learning |
| MODE | method for object-based diagnostic evaluation |
| MOS | military occupational specialty |
| MOSFET | metal-oxide semiconductor field-effect transistor |
| MPI | message passing interface |
| MRMC | Medical Research and Materiel Command |
| MS&PP | materials for soldier and platform power system |
| MSA | meteorological sensor array |
| MSAT | materials selection and analysis tool |
| MTG | Molecular Theory Group |
| MURI | Multidisciplinary University Research Initiative |
| MUVES | modular UNIX-based vulnerability estimation suite |
| NASA | National Aeronautics and Space Administration |
| NAVAIR | Naval Air Systems command |
| NCAR | National Center for Atmospheric Research |
| ND | nanodiamond |
| NG | nitroglycerin |
| NIST | National Institute of Standards and Technology |
| NMSU | New Mexico State University |
| NoC | Network-on-Chip |
| NRL | Naval Research Laboratory |
| NSA | National Security Agency |
| NSF | National Science Foundation |
| NWP | numerical weather prediction |
| OMEN | optimized modular EW network |
| OneSAF | one semi-automated forces |
| OPBO | output power back-off |
| ORCA | operational-requirements-based casualty assessment |
| PA | power amplifier |
| PAE | power amplifier high-energy efficiency |
| PBL | planetary boundary layer |
| PDR | preliminary design review |
| PDV | photon Doppler velocimetry |
| PEM | proton-exchange membrane |
| PI | principal investigator |
| PMCS+ | Preventative Maintenance Checks and Services |
| PNT | position, navigation, and timing |
| POMDP | Partially Observable Markov Decision Process |
| PPE | personal protective equipment |
| PS | personnel survivability |
| PZT | lead zirconate titanate |
| QM | quantum mechanics |
| R&D | research and development |
| RAT | rate-activated tether |
| RF | radio frequency |
| RFI | radio frequency interference |
| RMET | rotorcraft maintenance event tree |
| ROC | receiver operating characteristic |
| RVE | representative volume element |
| RWB | real-world behavior |
| S&E | sensing and effecting |
| S&T | science and technology |
| SA | situation awareness |
| SBER | structural bond energy release |
| SBIR | Small Business Innovation Research |
| SDN | software-defined networking |
| SEDD | Sensors and Electron Devices Directorate |
| SEM | scanning electron microscopy |
| SHPB | split-Hopkinson pressure bar |
| SIIS | system intelligence and intelligent systems |
| SITCORE | sensor information test-bed collaborative research evironment |
| SLAD | Survivability and Lethality Analysis Directorate |
| SLV | survivability, lethality, and vulnerability |
| SMA | shape memory alloy |
| SME | subject matter expert |
| SPB-BRiMS | Social Computing, Behavioral-Cultural Modeling, and Prediction and Behavior Representation in Modeling and Simulation |
| SRNC | Semiconductor Research Nanofabrication Center |
| SRW | solider radio waveform |
| SWAP | size, weight, and power |
| SWAPC | size, weight, power, and cost |
| SWAPCT | size, weight, power, cost, and time |
| SWAPT | size, weight, power, and time |
| SWAPTN | SWAPT plus network |
| TAD | target audience description |
| TARDEC | Tank Automotive Research, Development, and Engineering Center |
| TBI | traumatic brain injury |
| ToA | time of arrival |
| TPU | tensor processing unit |
| TRAC | TRADOC Analysis Center |
| TRADOC | Training and Doctrine Command |
| TRL | technology readiness level |
| TTCP | The Technical Cooperation Program |
| TUEI | tactical unit energy independence |
| UAS | unmanned aircraft system |
| UAV | unmanned aerial vehicle |
| UDE | ultrafast dynamic ellipsometry |
| UHMWPE | ultrahigh molecular weight polyethylene |
| UQ | uncertainty quantification |
| USDA | U.S. Department of Agriculture |
| UTEP | University of Texas, El Paso |
| UV | ultraviolet |
| V&V | verification and validation |
| VFM | vortex filament method |
| VI | vehicle intelligence |
| VLES | very-large-eddy-simulation |
| VoI | value of information |
| VTD | Vehicle Technology Directorate |
| VTOL | vertical take-off and landing |
| WBG | wide bandgap |
| WMRD | Weapons and Materials Research Directorate |
| WRF | weather research and forecasting |
| WSMR | White Sands Missile Range |