The meaning of the Acronym ARPA is...

ARPA is

• Advanced Research Projects Agency
• Automatic Radar Plotting Aid

More Meanings For ARPA:

• Advanced Research Projects Agency
• Adaptive Resource Protection Agent
• Advanced Rapid Process Agent
• Address Resource Program Access
• Advanced Research Projects Agency
• Advanced Research Projects Agency
• Advanced Research Projects Administration
• Advance Rehearsal Project Approval
• Amazon Region Protected Areas
• Advanced Research Projects Agency (DoD)
• Advanced Research Projects Agency
• Automatic Radar Plotting Accessory
• Advanced Research Projects Agency
• Automatic Radar Plotting Aid
• Advanced Research Projects Agency

ARPA is also in:

• Electronics
• Environmental
• FDA
• General
• Military
• Ocean Science
• Software
• Transportation
• Universities
• US Government