| Acronym | Meaning |
 | N2 | Nitrogen |
| SIP | Separation Instrument Package |
| MERU | Milliearth Rate Unit |
| VTS | Vertical Test Site |
| RFW | Request For Waiver (Deviation) |
| H | AlH AlAltitude Rate |
| CNWDI | Critical Nuclear Weapons Design Information |
| IOF | Initial Operational Flight |
| CCIR | International Radio Consultative Committee |
| CP | Circular Pitch |
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