| Acronym | Meaning |
| DPG | Dahlgren Proving Ground |
| MB | Millibar |
| HEAO | High Energy Astronomy Observatory |
| NSTA | National Science Teachers Association |
| IMEP | International Meteorological Educational Program |
| ASHRAE | American Society Of Heating |
| IASPEI | International Association Of Seismology And Physics Of The Earth's Interior |
| MT | Magnetic Tape |
| CAT | Coordinated Analysis Of The Thermosphere |
| TCS | Thermal Control System |