LANGLEY AIR FORCE BASE, Va. -- Kenya Air Force Lt. Gen. Julius Waweru Karangi, Kenyan Armed Forces Vice Chief of the General Staff, presents a memento to Gen. William M. Fraser III, Air Combat Command commander, June 7. Karangi visited Langley to gather a firsthand perspective of U.S. Air Force operations. (U.S. Air Force photo/Senior Airman Zachary Wolf)