(ex-USS Iowa, Battleship # 4), at left In the Pedro Miguel Lock, while transiting the Panama Canal on 10 February 1923. USS Contocook (AT-36) is in the lock behind her, and SS Bethore is at right. Coast Battleship No. 4 was then in the Panama area to serve as a radio-controlled target ship for Fleet gunnery exercises. Courtesy of the Naval Historical Foundation, Washington, D.C.
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