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USNS Howard O. Lorenzen (T-AGM-25)
USNS Howard O. Lorenzen (T-AGM-25)
USNS Howard O. Lorenzen (T-AGM-25)
Career (US) Flag of the United States.svg
Name: Howard O. Lorenzen
Namesake: Howard O. Lorenzen[1]
Awarded: 26 September 2006[2]
Builder: VT Halter Marine[2]
Laid down: 13 August 2008[2]
Sponsored by: Susan Lorenzen Black[1]
Christened: 26 June 2010[1]
Launched: 30 June 2010[2]
Acquired: 10 January 2012[2]
Status: Delivered to Navy
Badge: USNS Howard O Lorenzen coat of arms
General characteristics
Displacement: 9,543 long tons (9,696 t) light[2]
12,642 long tons (12,845 t) full[2]
Length: 534 ft (163 m)[2]
Beam: 89 ft (27 m)[2]
Draft: 21 ft (6.4 m)[2]
Complement: 88[3]

USNS Howard O. Lorenzen (T-AGM-25) is a Missile Range Instrumentation Ship built for the US Navy by VT Halter Marine of Pascagoula, Mississippi.[4] The keel was laid during a ceremony on August 13, 2008.[5]

The ship is slated to replace the USNS Observation Island (T-AGM-23) once it becomes operational, and is fitted with a Cobra Judy Replacement (to be renamed as Cobra King)[6] radar system.


US Navy Missile Range Instrumentation Ship Howard O. Lorenzen (T-AGM-25)

Lorenzen at Port Canaveral

USNS Howard O. Lorenzen is 12,642 long tons (12,845 t),[2] 534 feet (163 m) in length, and has a beam of 89 feet (27 m). Manned by a combined crew of 88 sailors and civilian mariners, the ship will host embarked military and civilian technicians from other U.S. government agencies. It will be operated by the Military Sealift Command and conduct missions sponsored by the U.S. Air Force.[3]


The ship is named for the late Naval Research Laboratory (NRL) electrical engineer who was instrumental in the creation of the electronic intelligence capabilities of the United States.[3] It was due to be delivered in 2010.[5]

In May 2011 it was released that the ship had failed its Board of Inspection and Survey (INSURV) inspection and was being sent back for repairs before the Navy would accept the ship. The ship was judged inadequate in the electrical, damage control and aviation inspections and also had problems with her anchor, steering and the temperature in her thrust bearings.[7]

The U.S. Navy accepted delivery of Howard O. Lorenzen on 10 January 2012.[8]


  1. 1.0 1.1 1.2 "Navy To Christen USNS Howard O. Lorenzen". U.S. Department of Defense. 24 June 2010. No. 531-10. Retrieved 24 June 2010. 
  2. 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 "USNS Howard O Lorenzen (T-AGM 25)". Naval Vessel Register. Retrieved 24 June 2010. 
  3. 3.0 3.1 3.2 "Navy Names Ship After Howard O. Lorenzen 'Father Of Electronic Warfare'". U.S. Department of Defense. 10 October 2008. No. 863-08. Retrieved 2 February 2012. 
  4. "USNS Howard O. Lorenzen (T-AGM-25)". Retrieved 4 April 2009. 
  5. 5.0 5.1 "Keel Laid for New Missile Range Instrumentation Ship". Naval Sea Systems Command. 13 August 2008. No. 08-02. Retrieved 2 February 2012. 
  6. Scott, Richard (7/31/2012). "Cobra Judy Replacement starts trials". Retrieved 21 August 2012.. 
  7. Cavas, Christopher P (26 May 2011). "U.S. Navy Rejects New Radar Ship". Defense News. Retrieved 2 February 2012. 
  8. "Navy Accepts Delivery of USNS Howard O. Lorenzen". 12 January 2012. No. NNS120112-16. Retrieved 2 February 2012. 

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