| Acronym | Meaning |
| HS | Horizon Sensor |
| HCSI | Hughes Communications Services |
| GPS | Ground Processing Simulation |
| SP-AF | Air Force Support Office (KSC) |
| PR | Pressure |
| RP | Rocket Propellant |
| CATEG | Category |
| IPE | Industrial Plant Equipment |
| H | AlH Altitude |
| MVT | Mission Verification Test |