U.S. Army Chaplain (Capt.) Azande Sasa gives the invocation during the opening ceremony for the National Association of Landscape Professionals’ 19th annual Renewal and Remembrance at Arlington National Cemetery, July 16, 2015. Over 400 volunteers worked on 200 of the cemetery’s 624 acres. Some of the work done was mulching, pruning, aerating, planting, liming and applying gypsum. (U.S. Army photo by Rachel Larue/released)

U.S. Navy Lt. Jennifer Bowder, a chaplain with Marine Wing Support Squadron 273, conducts a Christmas service for U.S. Marines and Soldiers at Combat Post Heider in Rabiah, Iraq, Dec. 29, 2008. (U.S. Marine Corps photo by Sgt. Jason W. Fudge/Released)