Vice-Admiral Sir John Strike Lancaster, KBE, CB (26 June 1903 – 7 January 1992) was a senior officer in the Royal Navy.
He attended King Edward VI School in Southampton before entering the Royal Navy in 1921.
[2] Lancaster was promoted to the rank of commander in 1940,[1] and in 1941 took up the post of drafting commander of HMS Victory in Portsmouth, where he was responsible for sending supply officers to other posts; he had previously served aboard the cruiser HMS Gloucester, which was shortly afterwards lost in the Battle of Crete along with many of its crew.
[1] In 1946, he was supply officer aboard HMS Ocean which assisted in rescuing survivors of the Corfu Channel incident.
[2] Lancaster was promoted to captain in 1951, and rear-admiral five years later, coinciding with this appointment as rear-admiral personnel, Home Air Command; he was promoted to vice-admiral and appointed director-general of manpower and chief naval supply and secretariat officer in 1959, serving in both posts until 1962, when he retired.