F-35 Lightning IIs from the 388th Fighter Wing and 419th FW stationed at Hill Air Force Base, Utah, perform aerial maneuvers during as part of a combat power exercise over Utah Test and Training Range, Nov. 19, 2018. ((U.S. Air Force photo by Staff Sgt. C
30th April 1952: The newly-appointed US ambassador to Moscow, diplomat and historian George Frost Kennan, walking in London before leaving for Moscow. (Keystone/Getty Images)
U.S. Acting Secretary of Defense Patrick M. Shanahan hosts a multi-lateral meeting with Asian nations, at the IISS Shangri-La Dialogue 2019, Singapore, May 31, 2019. (Lisa Ferdinando)