Which First Lady was it? FDR passed away April 12, 1945. So it could be either Eleanor Roosevelt or Bess Truman. Have you checked the local papers of the area where it happened? One source might be the libraries of FDR or HST and their First lady appointment diaries of the time (if available). You also might try the Airbourne Unit he was in, some have "clubs" (also websites) for alumni and historical information. Was Lee a member of any Veterans associations? The military base/airport should have held a offical inquiry into the pilot's actions. Use the Freedom of Information Act to request a copy of this inquiry. If the pilot was punished the records might be in the Judge Advocate General’s Corp U.S.Army or whatever it was called in WWII. Good Luck. Do you have enlistment information? I find it on Ancestry, if you want it send me an email and I will send it to you.