ARPA
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The acronym ARPA has several meanings:
- It is the former abbreviation of a U.S. military organization now known as the Defense Advanced Research Projects Agency (DARPA).
- On the Internet, it stands for Address and Routing Parameter Area: see .arpa.
- Automatic Radar Plotting Aid: see radar.
- Agenzie Regionali per la Protezione Ambientale: the Italian Regional Agency for Environmental Protection.
Also:
- The Arpa is a river in Armenia.
- Also an acronym for the Arkansas Rifle and Pistol Association (http://www.arpa-online.org), the group that lead the fight for concealed carry in Arkansas.