After VE Day many NCO aircrew veterans of the bomber offensive reverted to Aircraftsman to be ordered around by the likes of Corporal storekeepers.
They weren't all demoted either. My father was an MT Fitter in Hamburg just after the war and he was appalled at having highly decorated NCO aircrew fetching tools for him. They were heroes to him (and everyone else I would assume.) He always thought their treatment was disgraceful