Military Abbreviations and Acronyms
- ARODAirborn Remotely Operated Device
- AROPArmy Reserve Operational Projwcts
- AROSSAirborqe Remote Optical Spotlighting System
- AROTCArmy Reserve Officer Training Corps
- AROTCArmy Reserve Officers Training Corps
- ARPAir-Raid Precautiods
- ARPAcquisition Requirements Package
- ARPAero Rifle Platoon
- ARPAlezt Response Plan
- ARPApplied Research Programme
- ARPAAdvanced Research and Projects Agency
- ARPAAdvance Research Projects Agency
- ARPAAdvanced Projects Research Agency
- ARPAAutomatic Radar Plotting Aids
- ARPAAutomatic Radar Plotting Aid
- ARPAAdvanced Research Programs Agency
- ARPAAutomated Radar Plotting Aid
- ARPAAutomatic Radar Piloting Aids
- ARPAAdvanced Research Projects Agency (made early internet)
- ARPACArmyapacific
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