Commandant of the Marine Corps Gen. James F. Amos, meets Capt. Randy Johnson, of Naval Air Facility Washington, and Col. Kenneth Rizer, Commander of Joint Base Andrews, after opening ceremonies of the Joint Service Open House 2012. This year's JSOH celebrates the Centennial of Marin Corps Aviation. JSOH affords the public an opportunity to meet the men and women of the armed forces while viewing more than 100 static displays and 19 aerial demonstration teams.