The 93rd Combat Bombardment Wing bombed Nauen.
The 34th BG had 28 planes over Nauen.
http://valortovictory.tripod.com/1945-04.htm
The other two groups were the 490th BG and the 493rd BG.
493rd Mission list:
http://www.arizonahandbook.com/8thAF_18.htm
Last mission of the 490th to Nauen comment on these pages:
https://books.google.com/books?id=41...=Nauen&f=false
Since only 82 planes bombed Nauen these three groups probably accounted for that total.