| Acronym | Meaning |
 | MARD | Modernization Associated Restructuring Demonstration |
| ILP | International Lithosphere Programme |
| APM | Axial Power Monitor |
| HDLC | High Level Data Link Control |
| OGO | Orbiting Geophysical Observatory |
| UCAR | Unmanned Combat Armed Rotorcraft |
| AGM | Atmospheric Gas Measurements Section |
| ARBI | Adjusted Running Book Inventory |
| STEP | Stratosphere-Troposphere Exchange Project |
| TEC | Tropical Experiment Council |
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