FILE - In this Saturday, April 14, 2012 file photo, Army Pvt. Randy Donovan is hugged by his mother, Twila Donovan, upon arriving at the Crossroads Christian Church in Hutchinson, Kan., for a welcome home party. Donovan was injured by an IED in Afghanistan in November 2011. His injuries included a fractured vertebra in his neck, a broken upper jaw and broken radius in his right elbow. He also had shrapnel wounds to his upper body and two broken vertebrae in his back. Donovan received a Purple Heart. The cost of veterans' benefits and health care peaks decades after a war ends, says Harvard University economist Linda Bilmes. These peaked in 1969 for veterans from World War I and in the 1980s for World War II. They haven't peaked yet for Vietnam veterans. (AP Photo/The Hutchinson News, Lindsey Bauman)