[Alex Smart]

Hello Milo,
This is from "5th Bomb Wing - History of Aircraft Assigned" by Richard E. Drain.

92 BG 25th April 45 - mission 410 - Linz, Austria Main Station
97 BG 25th April 45 - mission 482 - Linz, Austria Marshalling Yards.
99 BG 25th April 45 - mission 394 - Linz, Austria Marshalling Yards ( No bombs dropped ).
301 BG 25th April 45 - mission 468 - Linz, North Main M/Y.
463 BG 25th April 45 - mission 221 - Linz, Austria M/Y.
483 BG 25th April 45 - mission 214 - Linz, Austria M/Y.
These were all B17 Groups.
I have no details to hand on the B24 Groups, but I expect that you should be looking for Boston/Havoc/Mitchell/Marauder Groups.
Also the Fighter, P38/P47/P51.
Then the possible RAF and French forces too.

Alex