Вот Вам из Вики (а там ссылки на источники):
his A-4E Skyhawk was shot down by a missile over Hanoi.[33][34] ...
In mid-1968, McCain's father was named commander of all U.S. forces in the Vietnam theater, and McCain was offered early release.[42] The North Vietnamese wanted to appear merciful for propaganda purposes,[43] and also wanted to show other POWs that elites like McCain were willing to be treated preferentially.[42] McCain turned down the offer of repatriation; he would only accept the offer if every man taken in before him was released as well.[33]
А где Ваши ссылки? Один амероненавистник сказал?

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алексей бычков