| Acronym | Meaning |
 | DC | Digital Command Assembly |
 | SIS | Software Integrated Schedule |
 | M | Isc Miscel Laneous |
 | UTC | United Technology Center |
 | DDIS | Data Depository Index System |
 | SSPDB | Subsystem Power Distribution Box |
 | ESTA | Escape System Test Article |
 | M | DSDMate/Demate Stiffleg Derrick |
 | TRS | Time Reference System |
 | HRAA | High Rate Acquisition Assembly |