. >> reporter: in 1967 johnny ashe was a marine fighting in the jungles of vietnam while his older brothers in the army stationed at westpoint. in may they wrote to each other. >> i had said to him in the letter, you know, i got only a couple months left. how much time you got left? he said, well, i'll have 15 months left when you get back home. so i started thinking about it. >> reporter: he was thinking about protecting his brother from combat. given the military's desire to avoid deploying siblings to a war zone at the same time. >> i went to the first sergeant and said, look, i want to extend my tour in vietnam. i don't want my brother to have to do a tour. and he sat back in his chair and said, well, who is your brother? i said, arthur ashe, jr. >> in addition to being a young army officer, his brother was one of the top amateur tennis players in the world. >> in vietnam, they didn't shoot any bullets with your name on them. they were all sent, to whom it may concern. >> reporter: why were you better situated to handle that than ro >> i wasn't concerned about what happened to me. and