| Acronym | Meaning |
 | G-11 | Gulfstream 11 (Shuttle Training Aircraft) |
| CUB | Commonality Usage Board |
| PIC | Pyro Initiator Capacitors |
| NBS | National Bureau Of Standards |
| HG | Mercury |
| PQGS | Propellant Quantity Gaging System |
| DAU | Data Acquisition Unit |
| MRL | Material Requirements List |
| BCR | Bar Chart Report |
| SR | Sunrise |
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