| Acronym | Meaning |
 | NAV | Navigate |
 | HDA | Housekeeping Data Acquisition |
 | CIT | Critical Item Tag |
 | DOT/CIAP | DOT Climatic Impact Assessment Program |
 | MSI | Medium Scale Integration |
 | RPO | Radiation Protection Officer |
 | FLC | Federal Library Committee |
 | PIC | Pyrotechnic Initiator Controller |
 | DCM | Display And Control Module |
 | DCC | DCCUDigital Command And Control Unit |