| Acronym | Meaning |
 | JAEL | JSC Avionics Engineering Laboratory |
| CELSS | Controlled Ecological Life Support System |
| ACR | Active Cavity Radiometer |
| DRSS | DATA Relay Satellite System |
| MMPO | Mission Management And Planning Office |
| EDOMP | EDO Medical Project |
| HTVL | Horizontal Takeoff Vertical Landing |
| SPDM | Special Purpose Dextrous Manipulator |
| MLI | Multi-Layer Insulation |
| COMSAT | Communications Satellite (Corporation) |
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