Powhatan-class tugboat

The Powhatan class of fleet ocean tugs consists of seven ships built for the United States Navy, operated by the Military Sealift Command by primarily civilian crews with the USNS designation. As of 2014, four ships are still active with the MSC.

Ships in class

 * USNS Powhatan (T-ATF-166), in service 1979-1999. Sold to Turkey in 2008 as TCG Inebolu (A-590).
 * USNS Narragansett (T-ATF-167), in service 1979-1999. Leased to commercial service.
 * USNS Catawba (T-ATF-168), in service 1980-present.
 * USNS Navajo (T-ATF-169), in service 1980-2016.
 * USNS Mohawk (T-ATF-170), in service 1980-2005. In Inactive Reserve Fleet at Philadelphia, Pennsylvania.
 * USNS Sioux (T-ATF-171), in service 1981-present.
 * USNS Apache (T-ATF-172), in service 1981-present.