wwii p-51d-20-na "small boy here" 83rd fs 78th fg

P-51D-20-NA, 44-63620 "Small Boy Here" from the 83rd FS, 78th FG based at Duxford and flown by Lt. John A. Kirk III. This was reputed to be one of the fastest stock Mustangs operated in Europe and Kirk destroyed an Me-262 with it on March 21st 1945, one of 6 downed by the 78th FG that day...