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DefenseLINK News
http://www.defenselink.mil/news/Oct2000/b10312000_bt667-00.html
Press release "Navy to Christen New Class of Ocean Surveillance Ship".
Global Security
http://www.globalsecurity.org/military/systems/ship/tagos-23.htm
Overview of the T-AGOS 23 Impeccable class of ocean surveillance ships.
Military Sealift Command
http://www.msc.navy.mil/N00p/pressrel/press00/press26.htm
Press release "USNS Impeccable Christened Nov. 1".
Naval Vessel Registrar
http://www.nvr.navy.mil/nvrships/details/AGOS23.htm
Brief fact sheet for USS Impeccable (AGOS-23).
NavSource Online
http://www.navsource.org/archives/09/6623.htm
T-AGOS-23 Impeccable history, specifications, and images.