The Geico Skytypers perform over Joint Base Andrews in vintage SNJ-2 aircraft at the 2012 Joint Service Open House, May 19.There are only 11 remaining SNJ-2s in existence, and the Geico Skytypers maintain six of them. This year's Joint Service Open House celebrates the Centennial of Marine Corps Aviation. JSOH affords the public the opportunity to meet the men and women of the Armed Forces while viewing over 100 static displays and 19 aerial demonstration teams. (U.S. Air Force photo by Airman 1st Class Daniel Burkhardt)