On 8th October, 1926, Sergeant Major 1st Class Erik Gutzeit Haug, of No.56 Squadron, Biggin Hill, lost his life when his Gloster Grebe Mk.II veered off the runway during take-off at Kenley.
By the time the Germans invaded Norway on 9 April, 1940, Jens Hertzberg was already a long standing member of the Norwegian armed forces.