| Acronym | Meaning |
| IRIS | Incorporated Research Institutions For Seismology |
| ODP | Onboard Data Processor |
| ISU | Intermediate Storage Unit |
| CBLCBNM | Central Bureau Of Nuclear Measurements |
| BMDO | Ballistic Missile Defense Organization |
| DTIC | Defense Technical Information Center |
| ICAR | International Cooperation In Aviation Research |
| NHSRP | National Hail Suppression Research Program |
| AMC | Army Materiel Command |
| ADI | Alternating Direction Implicit |