Johnson, Sam and Jan Winebrenner. Captive Warriors - A Vietnam POW's Story. College Station, Texas A&M University Press, 1992. 303pp, illus, dj in mylar, excellent, 6 x 9". Sam Johnson flew 62 combat missions in Korea and was solo pilot for the Thunderbirds in 1957. He was shot down (with Larry Chesley) in 1966 and was a very early POW.