Powhatan-class fleet ocean tug

The Powhatan class of fleet ocean tugs consists of seven ships built for the United States Navy and now operated by the Military Sealift Command by primarily civilian crews with the USNS designation.

Ships in class

 * USNS Powhatan (T-ATF-166)
 * USNS Narragansett (T-ATF-167)
 * USNS Catawba (T-ATF-168)
 * USNS Navajo (T-ATF-169)
 * USNS Mohawk (T-ATF-170)
 * USNS Sioux (T-ATF-171)
 * USNS Apache (T-ATF-172)