On July 1, 1960, a U.S. Air Force RB-47 aircraft with a crew of six was shot down over the Barents Sea. Captains John McKone and Freeman Olmstead were rescued by a Soviet trawler and held captive at Lubyanka prison until January 25, 1961 when they were released. The remains of one crewman, Willard Palm, were recovered and returned July 25, 1960. The other three crewman: Oscar Goforth, Dean Phillips, and Eugene Posa, remain missing in action.