After escaping during the retreat from Dunkirk as a private soldier, Lambert joined the RAF and flew fighter reconnaissance aircraft.  Initially the Tomahawk and then the Mustang he later commanded a Typhoon squadron in Normandy in support of the Allied advance into the Low Countries.  Post-war he specialised in fighter operations and commanded a Vampire jet fighter squadron in Germany during the Berlin Air Lift.  He served on the NATO staffs before retiring.

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