| 3D | three-dimensional |
| AFB | Air Force Base |
| AFRL | Air Force Research Laboratory |
| AFSAB | Air Force Scientific Advisory Board |
| AFSPC | Air Force Space Command |
| ASI | Italian Space Agency |
| CAD | computer-aided design |
| DARPA | Defense Advanced Research Projects Agency |
| DOD | Department of Defense |
| ESA | European Space Agency |
| EU | European Union |
| FDM | fused-deposition modeling |
| GSFC | Goddard Space Flight Center |
| HEOMD | Human Exploration and Operations Mission Directorate |
| ISO | International Organization Standardization |
| ISS | International Space Station |
| JPL | Jet Propulsion Laboratory |
| LENS | laser-engineered net shaping |
| LEO | low Earth orbit |
| MJM | multi-jet modeling |
| MSFC | Marshall Space Flight Center |
| MSU | Montana State University |
| NASA | National Aeronautics and Space Administration |
| NIAC | NASA Innovative Advanced Concepts |
| NRC | National Research Council |
| R&D | research and development |
| SBIR | Small Business Independent Research |
| SMD | Science Mission Directorate |
| SSTP | Small Spacecraft Technology Program |
| STMD | Space Technology Mission Directorate |
| TRL | technology readiness level |
| UTEP | University of Texas, El Paso |