D/F - Direct Finding 
DAC - Day After Contract 
DAF - Desert Air Force 
DAFTF - Desert Air Force Training Flig… 
DATCO - Deputy Air Traffic Controller 
DBF - Destroyed by Fire 
dbr - Damaged beyond repair 
DCM - Distinguished Conduct Medal 
DDR - Deutsche Democratic Republic 
Det/Dett - Detachment 
DEW - Distant Early Warning 
DFC - Distinguished Flying Cross 
DFCS - Day Fighter Combat School 
DFLS - Day Fighter Leaders School 
DFM - Distinguished Flying Medal 
DGA - Director General of Aviation 
DGRD - Director General of Research &… 
DGS - Diego Garcia tracking Station 
DHFS - Defence Helicopter Flying Schoo… 
DI - Daily Inspection 
DI - Drill Instructor 
Disb - Disbanded 
DLAM - Defense Logistics Agency Manual 
DME - Distance Measuring Equipment 
DNBI - disease and non-battle injury 
DNCO - Did Not Complete Operation 
Do - Dependability Operational 
DOB - Deployed Operating Base 
DoD - Department of Defense 
DoDD - Department of Defense Directive