Keywords: Mine explosion Operation End Sweep 9 March 1973.jpg An American naval mine explodes in North Vietnams Haiphong Harbor during Operation End Sweep photographed by the automatic mine locator camera aboard an American CH-53A Sea Stallion helicopter It is believed to be the only explosion of a mine during End Sweep The Mark 105 hydrofoil minesweeping sled the helicopter is towing is at right Scanned from Melia Tamara Moser Damn the Torpedoes A Short History of U S Navy Mine Countermeasures 1777-1991 Washington D C Naval Historical Center 1991 ISBN 0-945274-07-6 p 108 1973-03-09 United States Navy photograph PD-USGov-Military-Navy Original upload log en wikipedia Mine_explosion_Operation_End_Sweep_9_March_1973 jpg 2012-08-02 00 21 Mdnavman 954×1027× 424053 bytes <nowiki> An American naval mine explodes in North Vietnam ' s Haiphong Harbor during Operation End Sweep photographed by the automatic mine locator camera aboard an American CH-53A Sea Stallion helicopter The </nowiki> Operation End Sweep Haiphong Port 1973 in North Vietnam Aerial photographs of Vietnam |