The First U.S. Navy Submariners

In the center of the picture is Lt. Harry H. Caldwell, Commanding Officer. Starting at the lower left of the picture and going clockwise are; William H. Reader, Chief Gunner's mate; Augustus Gumpert, Gunner's mate; Harry Wahab, Gunner's mate First Class; O. Swanson, Gunner's mate First Class; Owen Hill, Gunner; W. Hall, Electrician's mate Second Class; Arthur Callahan, Gunner's mate Second Class; Barnett Bowie, Chief Machinist's Mate.