According to
http://www.usaafdata.com/search, five men died in this crash:
ASN First Name Last Name Rank State Day Mth Year Details
14184562 Mason C Carr TS AL 9 9 1944 44-10489
O-706300 Nicholas A Melnikoff 2L CA 9 9 1944 44-10489
O-768164 Jerry R Miller 2L IL 9 9 1944 44-10489
11998168 Walter B Peterson TS MI 9 9 1944 44-10489
15097758 Robert L Watkins SS KY 9 9 1944 44-10489
Is you great uncle one of them ?