Air Force Chief of Staff Gen. David L. Goldfein offers remarks May 8, 2019, during a Pentagon ceremony honoring the 20th anniversary of Operation Allied Force. The ceremony featured comments by Kosovo’s ambassador to the United States, Vlora Citaku, and the unveiling of a display commemorating the 78-day air campaign. The NATO-led effort forced Serbian President Slobodan Milosevic’s capitulation and the end of an ethnic cleansing of Kosovar Albanians. (U.S. Air Force photo by Adrian Cadiz)