D
- D-Day - The unnamed day on which an operation begins or is to begin
- DACBT - Dissimilar Air Combat Training
- DEAD - Destruction of Enemy Air Defenses
- DEERS - Defense Eligibility Enrollment Reporting System
- DEROS - Date Estimated Return from OverSeas
- DFAC - Dining Facility
- DMSP - Defense Meteorological Satellite Program
- Dollar Ride - A pilot's first flight in an airframe
- Doolie - nickname for a first year Air Force Academy cadet
- DOR - Date of Rank
- DRSN - Defense Red Switch Network
- DRU - Direct Reporting Unit
- DSCS - Defense Satellite Communications System
- DSN - Defense Switched Network
- DSP - Defense Support Program
- DSPD - Defense Support to Public Diplomacy
- DT - Development Team
- DTS - Defense Travel System
Read more about this topic: List Of U.S. Air Force Acronyms And Expressions