The Ask An Expert lecture series at the Steven F. Udvar-Hazy Center is presented every 2nd and 4th Thursday at 12:30 PM. A Museum staff member talks to the public about the history, collection, or personalities related to a specific artifact or exhibition in the Museum. On the morning of March 5, 1953, Lt. Franciszek Jarecki defected from the Polish Air Force while leading a patrol of four MiG-15s from his base at Stolp, Poland. He wore this flight suit during his daring flight to freedom. How to attend