"Bell Airacobra Mk I of No. 601 Squadron RAF based at Duxford, Cambridgeshire, 21 August 1941." Airacobra Mark I, AH577, of No. 601 Squadron RAF based at Duxford, Cambridgeshire, in flight. This aircraft was coded ‘UF-M’ and was for a time the personal aircraft of the Squadron's Commanding Officer.