| Acronym | Meaning |
| KDN | Kinetically Designed Nozzle |
| CIS | Communications Interface System |
| ILA | Instrument Landing Approach |
| PCCP | Preliminary Contract Change ProPosal |
| TO | Operations Management (KSC Directorate) |
| EKG | Electrocardiogram (Record) |
| SDI | Selective Dissemination Of Information |
| ONBD | Onboard |
| LCF | LowCycle Fatigue |
| SPA | S-Band Power Amplifier |