| Acronym | Meaning |
 | OPPL | Orbiter Project Parts List |
| M | Number Of Revolutions Required For The Rendezvous |
| TI | Training Integrator (Integration) |
| RFA | Request For Action |
| CEA | Control Electronics Assembly (for MMU) |
| OTT | Optional Team Targeting |
| SL | Sound Level |
| ETCO | Equipment Transfer/Change Order |
| SCL | Secondary Coolant Loop |
| NC | National Course |
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