ROYAL AIR FORCE 75th ANNIVERSARY 1918 - 1993
The cover design suggests an airfield of the First World War, with the stamps suggestive of later conflicts.
Avro Vulcan, Lockheed Hercules, Boeing Vertol Chinook, Lockheed Tristar, Hawker Siddeley Andover, Westland Wessex, Panavia Tornado F3, McDonnell Douglas Phantom.
The Hercules stamp was used on the Refueling Changeover from C1K Hercules tankers to VC10 K2 Tankers.
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