The Hawaii Cryptologic Center (HCC) or NSA Hawaii is a U.S. National Security Agency (NSA) Central Security Service (CSS) facility located near Wahiawa on the island of Oahu, Hawaii.

[1][2] The facility opened on January 6, 2012, at a cost of $358 million.

[2] The center focuses on signals intelligence intercepts from Asia, and conducts cybersecurity and cyberwarfare operations.

[3][4] In May 2013, a worker at this facility, Edward Snowden,[5] took many classified documents and provided them to the press, revealing the existence of a number of top secret NSA mass surveillance programs.

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