Aussie Veterans Prepare For Royal Review -- Group Captain Brian Eaton, D.S.O., D.F.C., gives last-minute briefing to his deputy, Squadron leader John (Boy) Adams (In cockpit) before taking off for a rehearsal flight to-day at Horsham St. Faith . Eaton is from Melbourne, and at 35 is the youngest group Captain in the R.A.A.F. Adams, who holds the D.F.C., and A.F.C., is also from Melbourne. Led by last war and Korea veteran group Captain B.A. Eaton, 78 fighter wing of the Royal Australian Air forc