| Acronym | Meaning |
| SVDS | Space Vehicle Dynamic Simulator |
| UUT | Unit Under Test |
| TCR | Test Constraints Review |
| CDPIS | Command Data Processing And Instrumentation System |
| HAC | Heading Alignment Cylinder |
| HEX | Hexagon |
| SRPA | Spherical Retarding Potential Analyzer |
| MAB | Materials Advisory Board |
| MM | Major Mode Or Mass Memory |
| PFK | Payload Function Key |