OC ACCGS = Regular Wg Cdr. CI ACCGS = Regular Sqn Ldr.
OC CFS Gliding = Regular Sqn Ldr.
Everyone else at ACCGS is part of RAFR(CC). Thy have had to complete ROIT, and OASC to get there.
There are a few civvy drivers, but all the engineers at Eng Flt are regulars.