A long story, I remember many details but can't retrieve the story name or author. A guy from New Engkand dies army medic training in Texas, he goes to the East Coast, where his barracks roommate us Japanese. MC meets the little sister And they fall in love, but she us too young. Time spent in the sandbox, Spec Fors, roommate us killed, Guy rotated home. Etc. A great story, but...named What? Any ideas?