military acronyms and abbreviations > U

U: UNCLASSIFIED 
U: Uniform 
U: Uniform Time Zone 
U&S: Unified and Specified Commands 
U/C: Undercarriage 
U/I: Unidentified 
u/t: under training 
UA: Unauthorized 
UA: unauthorized absence 
UA: uniform allowance 
UA: Unit of Action 
UA: User Agent 
UA: user agents 
UAAF: Unified Action Armed Forces 
UAC: Update Authority Component 
UAE: United Arab Emirates 
UAM: Underwater-to-Air-Missile 
UARR: Universal Aerial Refueling Receptical 
UARS: Upper Atmosphere Research Satellite 
UAS: University Air Squadron 
UAS: Unmanned Aerial System 
UATP: UNIX Advanced Tracking Prototype 
UAV: Unmanned Aerial Vehicle 
UAV-CR: unmanned aerial vehicle-close range 
UAV-E: Unmanned Aerial Vehicle-Endurance 
UAV-H: Unmanned Aerial Vehicle-HUNTER 
UAV-M: Unmanned Aerial Vehicle-Maneuver 
UAV-SR: Unmanned Aerial Vehicle-Short Range 
UAVJPO: Unmanned Aerial Vehicle Joint Program Office 
UBA: Underwater Breathing Apparatus 
UBR: Unassigned Bit Rate 
UBR: Uninterrupted Bit Rate 
UC: under construction 
UCAR: University Corporation for Atmospheric Research 
UCC: ULTRA-Compact Camera 
UCC: Unified Combat Command 
UCG: Universal Communications Gateway 
UCMJ: Uniform Code of Military Justice 
UCP: Unified Command Plan 
UD: Unauthorised Discharge