American non-self propelled Torpedo Testing Barge No.7 (YTT7) in 1945

Dimensions 165.0 (moulded) x 55.0 (moulded) feet. Built by Navy Yard, Portsmouth, N.H. in 1943.

Source

Bureau of Ship. Navy Department. Ships’ Data US Naval Vessels. Vol III. Auxiliary, district craft and unclassified vessels, 15 April 1945