Africa Command Richard V. Spencer, performing the duties of the deputy secretary of defense, speaks during the U.S. Africa Command change-of-command ceremony at Patch Barracks in Stuttgart, Germany, July 26, 2019. Africom is one of six of the Defense Department's geographic unified commands and is responsible to the defense secretary for military relations with African nations, the African Union, and African regional security organizations. SHARE IMAGE: Download Image: Full Size (1.07 MB) Tags: Africa Command Photo By: Army Staff Sgt. Grady Jones VIRIN: 190726-A-LV553-1048C.JPG Photo Gallery