U.S. Navy Commander Kevin Mannix, Flight Leader and commanding officer for the U.S. Navy?s Flight Demonstration Squadron, the ?Blue Angels?, signs autographs at Andrews Air Force Base during its annual Joint Service Open House May 17. The 2008 JSOH commemorated the 60th Anniversary of the Berlin Airlift and showcased the Navy Blue Angels, the Army's Golden Knights and a wide variety of both military and civilian air and ground demonstrations. (U.S. Air Force photo/Senior Airman Steven R. Doty)