United States H-class submarine
The United States H-class submarines were Electric Boat design EB26A and EB26R design coastal patrol submarines used by the United States Navy.
USS H-1
The torpedo room of USS H-5 in 1919. The breeches of the four 18-inch (457 mm) torpedo tubes are at center.
USS H-1 (SS-28), the lead ship of her class of submarine of the United States Navy, was originally named Seawolf, making her the first ship of the U.S. Navy to be named for the seawolf.
USS H-1
H-1 and H-2 in Coos Bay, Oregon.