| Acronym | Meaning |
 | TPDS | Test Procedures DeveloPment System |
 | ORD | Ordnance |
 | TY | Translation Hand Controller Y-Axis Direction |
 | LON | Longitude |
 | RM/MS&C | Redundancy Management/Moding |
 | SSV | Space Shuttle Vehicle |
 | TLS | Time Line Sheet |
 | NMO | Normal Manual Operation |
 | HCSI | Hughes Communications Services |
 | RTHC | Rotation-Translation Hand Controller |