| Acronym | Meaning |
| LASV | Low Altitude Supersonic Vehicle |
| OISSP | Office Of Interim Space Station Program |
| MCIU | Mission Control And Interface Unit |
| PVA | Propellant Valve Actuator |
| SM | SOft Manual |
| JB | Junction Box |
| IDB | Lnsuit Drink Bag |
| CSM | Command Service Module |
| EOC | Engine Order Capability |
| ACRIM | Active Cavity Radiometer Irradiance Monitor |