From left, Assistant Secretary of Defense for International Security Affairs Robert S. Karem; Marine Corps Gen. Thomas D. Waldhauser, commander of U.S. Africa Command; and Army Maj. Gen. Roger L. Cloutier Jr., Africom’s chief of staff and the investigating officer for the Army Regulation 15-6 investigation into the Oct. 4, 2017, attack in Niger, brief the Pentagon press corps on the results of the investigation, May 10, 2018. DoD photo by Navy Petty Officer 1st Class Kathryn E. Holm