F/FB-111 Communication, Navigation, and Penetration Aids Systems · Converted to 452X3C, date not stated by source
Current “formerly” notation is treated as explicit old-to-current conversion.
Sources
- F/FB-111 Avionic Systems Career Ladder, AFSC 452X3 (Internet Archive full-text OCR lines 246-281 (printed p. 1); adjudicated excerpt in audit)