Back on my late fathers service records. I'm trying to translate

RDU B'pool 20/8/41
10(S)RB H 23/11/41
2(0) AFU 24/5/43

I know he did his early training at Blackpool, and he went on to be a wireless operator in 35 squadron pathfinders at Graveley.
Any help would be appreciated.
Thanks
Paul.