Mike Goulian, Goodyear aerial acrobat, performs for the crowd during Joint Service Open House at Joint Base Andrews May 18. This year's JSOH celebrates the Centennial of Marine Corps Aviation. JSOH affords the public an 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/ Staff Sgt. Keyonna Fennell)