| Acronym | Meaning |
| P/L | Postlanding |
| FES | Flash Evaporator System |
| MUX | Multiplex |
| ISI | Initial Systems Installation |
| FMOF | First Manned Orbital Flight |
| LCS | Instrumentation Control SYstem |
| LA | Lanthanum |
| M | Number Of Revolutions Required For The Rendezvous |
| GCL | Ground Control Landing |
| CAR | Corrective Action Request |