| Acronym | Meaning |
| APR | Aberdeen Pulsed Reactor Facility |
| STIP | Study Of Traveling Interplanetary Phenomena |
| STEPS | Severe Thunderstorm Electrification And Precipitation Study |
| MM4 | Mesoscale Model |
| SRRS | Service Record Retention System |
| PCO | Polar Cap Observatory |
| IGPP | Institute Of Geophysics And Planetary Physics |
| WGNE | Working Group On Numerical Experimentation |
| AASM | Advanced Air To Surface Missile |
| DQ | Director Of Quality |