Lee Marvin (actor) was indeed a US Marine, was in the Battle on Iwo Jima. He was wounded earned a Purple Heart an the Navy Cross, Now Bob Keedshan, (Captian Kangroo) was also a US Marine he was also in the same Battle. Now Mr. Rogers, was never in the Military, he was to old for Viet Nam. But he was a bad man...look on www.sopes.com. I would not lie about that.