Kris Kristofferson

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Singer and actor Kris Kristofferson joined the U.S. Army in 1960 where he trained to be a helicopter pilot

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Kris Kristofferson

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Kris Kristofferson arrives at the 56th annual GRAMMY awards - salute to industry icons with Clive Davis, on Saturday, Jan. 25, 2014, in Beverly Hills, Calif. (Photo by Dan Steinberg/Invision/AP)

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Kris Kristofferson arrives at the Producers and Engineers of The Academy's 7th Annual Grammy Week Event, at The Village Recording Studios, on Tuesday, Jan. 21, 2014, in Los Angeles, Calif. (Photo by Frank Micelotta//AP Images)