| Acronym | Meaning |
| VU | Vehicle Utility |
| PCO | Postcheckout |
| RVCF | Remote Vehicle Checkout Facility |
| FCS | Fecal Containment System |
| POST | Program To OPtimize Simulated Trajectories |
| GDP | Generalized Documentation Processor |
| PRS | Power Reactant System (Subsystem) |
| BM | Business (Branch) Manager |
| ESMC | Eastern Space And Missile Center (formerly AFETR) |
| GEN | Generate |