Abbreviations beginning with h

HARTHypervelocity Aircraft Rocket, Tactical
Miscellaneous » Aircraft & Aviation

HARTHarm assessment risk tool
Regional » British

HARTHillsboro Artists' Regional Theatre
Regional

HARTHillsborough Area Regional Transit
Regional

HARTHousatonic Area Regional Transit
Regional

HARTHigh Angle Rifle Training
Sports » Shooting

HARTHonda of America Race Team
Sports » Racing

HARTAHumble Area Retired Teachers Association (Texas Retired Teachers Organization)
Miscellaneous

HARTIHybrid Arrest of Translation Initiation
Academic & Science

HARTSHistory of Assessments, Referrals and Training System
Governmental » Immigration

HARTSHoechst Adverse Reaction Terminology System
Governmental » FDA

HARUHigh Altitude Reserve Unit
Governmental

HARUHow Are you?
Internet » Chat

HARVHigh Alpha Research Vehicle
Academic & Science » Research

HARVHigh Aspect Ratio Vessel (bioengineering)
Academic & Science

HARVHeating, Air Conditioning, Refrigeration and Ventilation
Business

HARVHigh Altitude Research Vehicle
Community

HARVHigh Alpha Research Vehicle
Governmental » Transportation

HARVHigh Alpha Research Vehicle (NASA test plane)
Governmental

HARVHigh Altitude Reconnaissance Vehicle
Governmental