| Acronym | Meaning |
 | DDI | Dedicated Display Indicator |
 | PDC | Procurement Document Change |
 | FSE | Flight Simulation Engineer |
 | DSB | Document Status Bulletin |
 | FM/PM | Frequency Modulation/Phase Modulation |
 | PL | Plug |
 | SC | Statement Of Capability |
 | N/C | Numerical Control |
 | R | Roentgen |
 | VAA | Viewpoint Adapter Assembly |