BELGRADE, SERBIA - MARCH 24: Yugoslav Ministry of Defense building, remaining damaged, is seen during the commemoration ceremony on the 16th anniversary of NATO's air bombardment in Belgrade, Serbia on March 24, 2015. The Yugoslav Ministry of Defense was the governmental department responsible for defending the Federal Republic of Yugoslavia from internal and external military threats. The building of the Ministry of Defense, which was considered to be a masterpiece of post-war architecture, was bombed on 7th May 1999 during Operation Allied Force. The NATO bombing of Yugoslavia was the military operation against the Federal Republic of Yugoslavia during the Kosovo War. The operation sought to stop human rights abuses in Kosovo. (Photo by Kristina Maslarevic/Anadolu Agency/Getty Images)