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Expeditionary Sea Base

Expeditionary Sea Base

An afloat forward staging base-variant of the mobile landing platform designed to provide dedicated support for air mine countermeasures and special warfare missions. The ship is capable of executing additional missions including counter-piracy, maritime security, and humanitarian and disaster relief. The platform supports a variety of rotary wing aircraft.


Length: 784 ft
Beam: 164 ft
Displacement: 106,664 tons
Speed: 15 knots



USS Lewis B. Puller (ESB 3)
USS Hershel "Woody" Williams (ESB 4)
USS Miguel Keith (ESB 5)
USNS John L. Canley (T-ESB 6)

Ship Photos

The expeditionary sea base USS Hershel "Woody" Williams (ESB 4) participates in a photo exercise in the Mediterranean Sea, Aug. 20, 2020.
The Expeditionary Sea Base USS Hershel “Woody” Williams (ESB 4) sails in the Atlantic Ocean, Oct. 17, 2020.
141106-N-EW716-001 SAN DIEGO (Nov. 6, 2014) The mobile landing platform Lewis B. Puller (T-MLP-3/T-AFSB-1) is the first afloat forward staging base (AFSB) variant of the MLP and is optimized to support a variety of maritime missions. (Photo courtesy of NASSCO)
USNS Hershel "Woody" Williams
Two UH-60M Black Hawk multi-mission helicopters, attached to United Arab Emirates Joint Aviation Command, land on expeditionary sea base USS Lewis B Puller (ESB 3) during an air operations in support of maritime surface warfare exercise in the Arabian Gulf Aug. 11, 2020. Integration operations between UAE and U.S. maritime forces are regularly held to maintain interoperability and the capability to counter threats posed in the maritime domain, ensuring freedom of navigation and free flow of commerce throughout the region’s heavily trafficked waterways. (U.S. Army photo by Staff Sgt. Timothy Clegg)
The Lewis B. Puller-class expeditionary sea base USS Hershel "Woody" Williams (ESB 4) departs Porto Napoli for its inaugural deployment in the U.S. 6th Fleet area of operations after stopping for fuel and supplies, Aug. 15, 2020.
USNS Lewis B. Puller
USNS Lewis B. Puller
USNS Hershel "Woody" Williams
CHESAPEAKE BAY (Sept. 15, 2019) The Military Sealift Command expeditionary sea base USNS Hershel 'Woody' Williams (ESB 4) is at anchor in the Chesapeake Bay, Sept. 15, 2019 during mine countermeasure equipment testing. (U.S. Navy photo by Bill Mesta/Released)
USNS Miguel Keith

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