| Acronym | Meaning |
 | ESA | Engineering SuPPort Assembly |
| EVSU | Extravehicular Space Unit |
| UCR | Unsatisfactory Condition Report |
| NMI | NASA Management Instruction |
| SS | Station Set |
| OX | Oxidizer |
| SSBC | Summary Sheet Bar Chart |
| PSS | Propellant Supply Subsystem |
| PCRB | Program Change Review Board (RI Launch |
| S-N | Stress Number |
Browse by Letter:
