COLON, Panama (Sept. 18, 2013) The guided-missile frigate USS Rentz (FFG 46) enters the Gatun Locks on the Caribbean side of the Panama Canal during Operation Martillo, a counter transnational organized crime operation. Rentz is returning to the eastern Pacific after completing the multinational UNITAS 2013 naval exercise off the coast of Colombia. (U.S. Navy photo by Lt. Cmdr. Corey Barker)
All three of the United States Navys aircraft carriers at the time Langley Saratoga and Lexington along with battleships and cruisers at anchor in Colon Panama Canal Zone after Fleet Problem X 1 March 1930.