"Pilot Officer J H Smythe of Sierra Leone, a newly-qualified navigator, being instructed in the use of the sextant by an instructor at No. 11 Operational Training Unit, Westcott in Buckinghamshire, 1 August 1943." Pilot Officer J H Smythe RAFVR of Sierra Leone, a newly-qualified navigator, being instructed in the use of the sextant by a flying officer instructor at No 11 Operational Training Unit, Westcott, Buckinghamshire, England.