| Acronym | Meaning |
 | ASTG | Aerospace Test Group |
| B-1 | DIV B-1 Division (Rockwell) |
| LS | Limit Switch |
| LEM | Laboratory Environment Model |
| K | Kelvin |
| TR2 | Payload Furnished Mars Tape Recorder (2 Of 2) |
| CDI | Course Deviation Indicator |
| DISASSY | Disassembly |
| ADPS | Acceptance Data Package System |
| NC | Normally Closed |
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