they had a big heart. they came from strong families. they believed in service and they love this country. they loved everything this country was about. >> reporter: fallujah iraq april 29th, 2007. travis and his fellow marines were on patrol when they were caught in an ambush. >> travis went around to try to subdue the ambush. and a sniper hit travis. he was exposed. he had to expose himself to get out there. didn't make it back. travis was the only one who didn't make it back. but i know he'd be proud to know saved the lives of everyone in that patrol that day. >> reporter: a warrior that lived his life by a special motto that's etched in stone forever. >> if not me then who? if i don't go back who's going back on my place? i'm the guy that's most ready. i'm the guy that has to go. so my wife took those five words, if not me, then who, and started the foundation that we created after we lost travis.