English abbreviations from arpa to arrt
- ARPA (Advanced Research Projects Agency)
- ARPAC (United States Army Pacific Command)
- ARPANET (Advanced Research Projects Agency Network)
- ARPB (Association of Recognized Professional Bodies)
- ARPC (Apalachee Regional Planning Council)
- ARPER (ARmy PERsonnel)
- ARPERCEN (United States Army Reserve PERsonnel CENter)
- ARPL (Assessment and Recognition of Prior Learning)
- ARPMIS (Automated Resource and Plan Management Information System)
- ARPRINT (Army Program for Individual Training)
- ARPS (Aborigines' Rights Protection Society)
- ARPU (Average revenue per user)
- ARQ (Arauquita Airport (El Troncal))
- ARR (Alto Río Senguer Airport)
- ARRA (Airborne Reconnaissance Requirements Assessment)
- ARRADCOM (Armament Research and Development Command)
- ARRC (ACE Rapid Reaction Corps)
- ARRDATE (ARRival DATE)
- ARRED (Army Component of US REDCOM)
- ARRF (Allied Rapid Reaction Force)
- ARRL (American Radio Relay League)
- ARROW (Astoria Residents Reclaiming Our World)
- ARRP (Army Regulation Reduction Program)
- ARRS (Air Rescue and Recovery Squardon)
- ARRT (American Registry of Radiologic Technologists)