| Acronym | Meaning |
| DCN | Document Change Notice |
| SPE | Solar Proton Event |
| IEM | Interstitial Electron Model |
| SCFM | Standard Cubic Feet Per Minute |
| PFDT | Partial Flow Dilution Tunnel |
| ABS | Arc Bond Sputter |
| LMR | Liquid Metal Reactor |
| HELP | Heuristic Evolving Latent Projection |
| PTEAM | Particle Total Exposure Assessment Methodology |
| AOCI | Airborne Ocean Color Imager |