| Acronym | Meaning |
| VRMS | Volts Root MeanSquare |
| LERC | Lewis Research Center (Cleveland |
| LPD | Landing Point Designator |
| CBA | C-Band Transponder Antenna |
| DO | Discrete Output |
| LRSI | Low Temperature Reusable Surface Insulation |
| PGRWG | Payload Ground Requirements Working Group |
| V/H | VelocitY-to-Height |
| ORF | Orifice |
| LMSC | Lockheed Missiles And Space Corporation |