| Acronym | Meaning |
| LWHS | Lightweight Headset |
| OCF | Onboard Computational Facility |
| VM | Voltmeter |
| M | BACMarshall Booster Assembly Contractor |
| G | LOW Gross Lift-Off Weight |
| SSIS | Space Station Information System |
| KOPS | Thousand Of Operations Per Second |
| EB | Emergency Box |
| HCSI | Hughes Communications Services |
| SILTS | Shuttle Infrared Leeside Temperature Sensing |