Naval Security Group

The Naval Security Group, NAVSECGRU short, was an intelligence unit of the United States Navy. Her duties included the interception of radio signals and other electronic messages as well as their analysis and decryption ( Signals Intelligence ). She was von1950 active until September 2005 and then went to the Naval Network Warfare Command ( NETWARCOM ). The Naval Security Group was not only part of the Navy, but also part of the Central Security Services of the National Security Agency.

Its global jurisdictions counted the ECHELON system. A corresponding document of the Naval Security Group Command in Sugar Grove, West Virginia, from 1992 made ​​in 2000 ECHELON known.