<prompt> Pedzisa mutsara unotevera: Pana April 19, 1975, pashure pokunge North Vietnam yapfuura zvikamu zviviri muzvitatu zveSouth Vietnam, Midway, pamwe chete neCoral Sea, Hancock, uye, vakatumirwa kumvura dziri kure neSouth Vietnam. Mazuva gumi gare gare, mauto eU.S. 7th Fleet akaita Operation Frequent Wind, kubviswa kweSaigon. Nokuda kwaikoku, Midway, iyo yakanga yabvisa hafu yechikamu chenguva dzose chokurwisa mhepo chechikepe paNS Subic Bay, Philippines, yakafamba kuenda kuThailand ndokutora ndege sere dzeU.S. Air Force CH-53 kubva ku21st Special Operations Squadron uye maherikoputa maviri eHH-53 kubva ku40th Aerospace Rescue and Recovery Squadron. Sezvo  <response>: Saigon yakawira kumasimba eNorth Vietnamese, aya maherikoputa akatakura mazana evashandi veU.S. nevanhu veVietnamese kuenda kuMidway nedzimwe ngarava dzeU.S. muSouth China Sea. 