
John “Travis” Rivero’s concerns when he deployed for the war in Iraq were less about the dangers that lay ahead than the commitment he was leaving behind: his aging grandmother.
Rivero, 23, a native of Gainesville, Fla., had spent a lot of time in recent years caring for Nell McIntyre, the grandmother who helped rear him. The attention that he gave to McIntyre and her neighbors was evident in the yellow ribbons that dotted the trees in her quiet Gainesville subdivision after news arrived April 18 that Rivero had been killed in a Humvee accident.
A member of the Florida National Guard, Rivero had been living in Tampa, where he attended the University of South Florida before shipping out to the Middle East. He was a gunner with the 124th Infantry...