| Acronym | Meaning |
 | EPL | Equipment Parts List |
 | LIN | Linear |
 | WID | Width |
 | TAC | Total Accumulated Cyclestmttactical Air Control/command |
 | TECD | Training Equipment Change Directive |
 | ERR | Engineering Revision Request |
 | HORIZ | Horizontal |
 | BCU | Buffer And Conversion Unit |
 | PDS | Program Design Spec Udi-e-21268b/mod |
 | EOB | Expense Operating Budget |