| Acronym | Meaning |
| GACU | Ground Avionics Cooling Unit |
| SVRR | Software Verifir-ation Readiness Review |
| INT | Integrated Test |
| CIE | Communications Interface Equipment |
| OJT | On-the-Job Training |
| GO | GeGO General Order |
| RE&T | Research Engineering And Test |
| ERSIR | Earth Resources Shuttle Imaging Radar |
| IGV | Inlet GUide Valve/Vanes |
| GFS | Government Furnished Software |