Heather Gray and her three children Ava (left), Garrett (middle) and Nyah visit U.S. Air Force Maj. David Gray at Arlington National Cemetery, VA, Nov. 11, 2015. David, a husband and father to the three children, was killed in action Aug. 8, 2012, during a deployment to Afghanistan. Heather and her children moved from Colorado, where David was stationed at Fort Carson, earlier this year for the first time since his death. (U.S. Air Force photo by Staff Sgt. Christopher Gross)