Jack E. Lechner Jr., left, superintendent, Arlington National Cemetery, gives a gift to Minister Predrag Matic, right, Republic of Croatia minister of veterans affairs, in the Memorial Display Room in between the Tomb of the Unknown Soldier and the Memorial Amphitheater in Arlington National Cemetery, April 30, 2015, Arlington, Va., after a wreath-laying ceremony. Dignitaries from all over the world pay respects to those buried at Arlington National Cemetery in more than 3,000 ceremonies each year. (U.S. Army photo by Rachel Larue/Released)