Halt! Who goes there? Three times, with gun in hand, the old home guard fellow demanded an answer. I said I wanted to join the air force. I can remember him saying, ?Are you sure you want to? I suppose he felt a bit fatherly'you know: here was another young girl going into that terrible place! August 1939 and war clouds looming, May Cameron, ?Tommy,? approached the Balloon Station near Birmingham, England, harbouring ideas of becoming an air ace...