| Acronym | Meaning |
| TCF | Tank Checkout Facility |
| CIAP | Climatic Impact Assessment Program |
| SFT | Simulated Flight Test |
| SCN | Specification Change Notice |
| RTD | Resistance Temperature Device |
| SHAG | Simplified High Accuracy Guidance (Honeywell) |
| SS&A | Space Systems And Applications |
| MS | Master Switch |
| MDDS | Material Directory Data Sheet |
| SPP | Solar Physics Payload |