CEREMONY HANDSHAKE Army Gen. Martin E. Dempsey, center, chairman of the Joint Chiefs of Staff, applauds as Air Force Gen. Craig R. McKinley, left, outgoing National Guard Bureau chief, shakes hands with Army Lt. Gen. Frank J. Grass, incoming chief, during the change-of-responsibility ceremony for chief at the Pentagon, Sept. 7, 2012. Grass received his fourth star during the event. SHARE IMAGE: Download Image: Full Size (0.04 MB) Photo By: VIRIN: 320835-F-GOB81-286.jpg Photo Gallery