| ECLSS | environmental control and life support system |
| EDL | entry, descent, and landing |
| | |
| FDIR | fault detection, isolation, and recovery |
| | |
| GCR | galactic cosmic radiation |
| GN&C | guidance, navigation, and control |
| | |
| ISRU | in situ resource utilization |
| ISS | International Space Station |
| ITAR | International Traffic in Arms Regulations |
| | |
| LEO | low Earth orbit |
| LOX | liquid oxygen |
| | |
| NASA | National Aeronautics and Space Administration |
| NRC | National Research Council |
| | |
| OCT | Office of the Chief Technologist |
| | |
| RBCC | Rocket-Based Combined Cycle |
| | |
| SEE | single event effects |
| SPE | solar particle event |
| | |
| TA | technology area |
| TA01 | Launch Propulsion Systems Technology Area |
| TA02 | In-Space Propulsion Technologies Technology Area |
| TA03 | Space Power and Energy Storage Technology Area |
| TA04 | Robotics, TeleRobotics, and Autonomous Systems Technology Area |
| TA05 | Communication and Navigation Technology Area |
| TA06 | Human Health, Life Support, and Habitation Systems Technology Area |
| TA07 | Human Exploration Destination Systems Technology Area |
| TA08 | Science Instruments, Observatories, and Sensor Systems Technology Area |
| TA09 | Entry, Descent, and Landing Systems Technology Area |
| TA10 | Nanotechnology Technology Area |
| TA11 | Modeling, Simulation, Information Technology, and Processing Technology Area |
| TA12 | Materials, Structures, Mechanical Systems, and Manufacturing Technology Area |
| TA13 | Ground and Launch Systems Processing Technology Area |
| TA14 | Thermal Management Systems Technology Area |
|