| Acronym | Meaning |
| M/R | Mixture Ratio (Fuel To Oxidizer) |
| MPPSE | Multipurpose Payload Support Equipment |
| RETEN | Retention |
| ELF | Extremely Low Frequency (1 Hz To 3 KHz) |
| CIS | Component Identification Sheet |
| HBW | Hot Bridge Wire |
| N/A | Not Applicable |
| EL | Elevate |
| MEC | Mission Events Controller |
| TRD | Test Requirements Document |