A Blackburn Shark float plane.

Fairey Swordfish of 821 Squadron on HMS Courageous with an unidentified destroyer following astern.

A Fairey Swordfish of 821 Squadron nose down on the flight deck of HMS Courageous.

A crashed Fairey Swordfish probably of 821 Squadron seen from HMS Courageous.

July 1939: The Graf Zeppelin photographed by Flying Officer Karl Stubley over England.

A captured Me-262, date and location unknown.

(All photos from the collection of Flying Officer Karl Stubley, R.A.F.)
Courtesy of his son Mitchell Knox