| Acronym | Meaning |
 | SOC | Simulation Operation ComPuter |
 | COL | Coast Orbital Insertion |
 | MPHE | Material And Personnel Handling EqLjipment |
 | PBL | Payload Bay Liner |
 | HL | Hinge Line |
 | SFW | Software |
 | PHA | Preliminary Hazard Analyses |
 | MF | Mate And Ferry |
 | ORP | OFS Retransmission Processor |
 | MSEC | Master Separation Events Controller |