Royal Navy And Royal Air Force Officers 50. Wing-Commander Hulbert asked the Prime Minister if it is proposed to defer the release of officers of the R.N. and R.A.F. after the group dates already announced. The Prime Minister It is not the intention to depart from the schedules of release already promulgated for the Royal Navy, but it may be necessary to defer under the military necessity clause of the White Paper, the release of a few individuals in the Royal Air Force, particularly in order to ensure the safety and efficiency of the air transport arrangements for the return of men from overseas. Wing-Commander Hulbert Can the Prime Minister give any estimate of the number involved? The Prime Minister Not without notice.