Towing sub S-4 to Navy Yard.

Sub S-4 being towed into Charlestown Navy Yard after being floated by pontoons off Provincetown. |
Sub S-4 being towed to Navy Yard from off of Provincetown. The trip took 14 hours to go the 49 miles. |
Sub S-4 raised after 3 months of hard work, Provincetown, Mass |
Tug falcon raising sub S-4 off Provincetown. |
Tug falcon raising sub S-4 off Provincetown. |
Sub S-4 enters Navy Yard drydock. |