u.s. air force open cockpit day at castle air force airplane event

0166 016plane 199 19open 510 611 aemy air airflight airforce airplane airplanes annual aopen army atwater atwaterca base bird black bombers california castle castleair central centralvalley cockpit cockpitday day destination event explore flight fly force history holds inside land landmark landmarkcalifornia merced mercedca military museum observe one open pilot plane previous spirit tourism tourist tours travel visit visitors war world wwii