According to information published by the US DoD on March 2, 2023, the Navy accepted the delivery of Lewis B. Puller class expeditionary mobile base USNS John L. Canley (ESB 6).
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Lewis B. Puller class ESB USNS John L. Canley. (Picture source: US Navy)
ESB-class ships are highly flexible platforms that support various military operations such as Airborne Mine Counter Measures (AMCM), Special Operations Force (SOF) operations, Crisis Response Sea-basing (e.g., Special Purpose Marine Air Ground Task Force), Intelligence, Surveillance, and Reconnaissance (ISR) and Unmanned Aviation Systems (UAS) operations. The ships are part of the critical access infrastructure that supports the deployment of forces.
The ESB ship class has a flight deck with four aviation operating spots capable of supporting MH-53E helicopters; accommodations; workspaces; and ordnance storage for embarked forces, enhanced command, control, communications, computers, and intelligence. These ships also feature a reconfigurable mission deck area to store equipment, including mine sleds and Rigid Hull Inflatable Boats.
She has a displacement of 83,000 tons and a length of 239 meters, a beam of 50 meters, and a draft of 10.5 meters. The ship is powered by a diesel-electric integrated power system, with two propellers that allow it to reach a maximum speed of 15 knots. USS John L. Canley has a range of 9,500 nautical miles (17,600 km; 10,900 mi), allowing it to operate for extended periods without refueling.
