401 Commissions for men considered suitable The Royal Air Force is recruiting men to be specially trained as pilots, navigators, signallers, engineers and gunners. Requirements are: age 171/2 to 25 years, a high medical and educa- tional standard, wits ... and guts. Initial engagement is for eight years, and four in the Reserve, with commis- Royal Air Force sions guaranteed to all pilots and navigators who are considered suit- able; and later opportunities for ground branch commissions for signallers, engineers and gunners.