USNS Able (T-AGOS-20)

USNS Able (T-AGOS-20) is a Victorious-class oceanographic survey ship in the service of the United States Navy's Military Sealift Command.

Able was laid down on 23 March 1989 at McDermott Shipyard in Morgan City, Louisiana. Launched on 16 February 1991, she was delivered to the Navy on 22 July 1992, assigned to the Military Sealift Command (MSC), and placed in service as USNS Able (T-AGOS-20). The ship has a SWATH design.

Able was taken out of service in August 2004 and laid up in the Reserve Fleet at NAVSEA Inactive Ships On-site Maintenance Office, in Philadelphia, PA. Able was reactivated in 2008 and was converted in Charleston, South Carolina for SURTASS low frequency active-array (LFA) capabilities. Able is attached to the United States Pacific Fleet and provides support to the United States Seventh Fleet.