Originally named USS YFD-4, Yard Floating Dock-4, she operated by Todd Shipyards at New Orleans, Louisiana for the repair of US ships during World War II.

Ballast pontoons tanks are flooded with water to submerge or pumped dry to raise the ship.

USS AFDM-2 was at Todd Shipyards on the west side of the Mississippi River in Algiers, New Orleans.

On 25 August 1966 tugs returned AFDM-2 to Todd Shipyards, eleven months after her sinking.

She was later sold to Gulf Copper & Manufacturing Corporation at Port Arthur, Texas and renamed Mr.