On 27 October 1917 , he was promoted to temporary Flight Sub-Lieutenant .
Just past his 18th birthday on 3 June 1917 , Britnell was appointed a Flight Officer in Royal Naval Air Service on the same day as John Denis Breakey .
On 27 October 1917 , Britnell was promoted to temporary Flight Sub-Lieutenant .
Just past his 18th birthday on 3 June 1917 , Britnell was appointed a Flight Officer in Royal Naval Air Service on the same day as John Denis Breakey .