ARPA

Headline text

The acronym ARPA has several meanings:

Until 1972, what is now the Defense Advanced Research Projects Agency (DARPA), was called the Advanced Research Projects Agency, or ARPA.
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], the group that lead the fight for concealed carry in Arkansas.
Advanced Research Pactation Association

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