Crater-class cargo ship is a category of freighter that was constructed for use by the United States Navy during World War II under Maritime Commission EC2-S-C1 type.
Sea - Cargo
The class was named for the lead ship of its type, the U.S.S. Crater (AK-70) There were a total of 30 ships of this class built, the largest count of U.S. Navy cargo ship classes.
The ships were propelled by a reciprocating engine using a single screw with a shaft horsepower of 1,950.