Aliens (Call-Up) 52. Mr. Hurd asked the Minister of Defence how many male aliens resident in the United Kingdom will be called up for a course of military training this year. Mr. Shinwell No aliens will be included in the call-up of Royal Air Force Class G Reservists for training this summer. It is not known how many aliens will be included in the call-up of Army Class Z Reservists, but the number cannot be very large.