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"Observation Island". Dictionary of American Naval Fighting Ships. Retrieved 18 January 2011.
"Ships Built to MARAD Designs". ShipBuildingHistory.com. Archived from the original on 12 December 2012. Retrieved 2 March 2012.
"USNS Observation Island (T-AGM 23)". Naval Vessel Register. Retrieved 2 March 2012.
Marconi, James (23 April 2014). "USNS Observation Island is inactivated". Military Sealift Command.
"Empire State Mariner". Ship History Database Vessel Status Card. U.S. Department of Transportation, Maritime Administration. Retrieved 10 May 2015.
"Ship Abbreviations and Symbols". Naval History And Heritage Command. Retrieved 10 May 2015.
"Fact Sheet: Missile Range Instrumentation Ships - T-AGM". Military Sealift Command. June 2001. Archived from the original on 22 February 2013. Retrieved 17 August 2008.
Admiral E.R. Zumwalt Jr. (1971), Letter: Secretary of the Navy presentation of the Meritorious Unit Commendation.
Captain W.C. Dotson (1971), Meritorious Unit Commendation.
"USNS Observation Island  (T-AGM 23)". Military Sealift Command. Archived from the original on 28 February 2014. Retrieved 17 August 2008.
Lundquist, Edward (September 2006). "Naval Ship Was Instrumental in Developing Polaris, Poseidon Missiles". Sea Classics. Retrieved 18 January 2011.
McIntyre, Jamie (15 February 2008). "Attempt to shoot down spy satellite to cost up to $60 million". CNN.com. Retrieved 18 January 2011.
"USNS Observation Island (T-AGM-23)". NavSource. Retrieved 24 November 2016.
"Navy Accepts Delivery of USNS Howard O. Lorenzen". United States Navy. 12 January 2012. Retrieved 3 March 2012.
"NAVADMIN 175/13". United States Navy. 10 July 2013.
USNS Observation Island (T-AGM-23)