| Acronym | Meaning |
 | IDS | Item Description Sheet |
 | VAC | Volts |
 | ESR | Engineering Support Request |
 | RANN | Research Applied To National Needs |
 | REO | Request |
 | LWHS | Lightweight Headset |
 | PRM | Payload Retention Mechanism |
 | EPG | Electrical Power Generator |
 | GERT | Graphical Evaluation And Review Technique |
 | DRF | Data RequestForm |