Vice-Admiral Sir John Stuart Crosbie Lea, KBE (4 June 1923 – 20 May 2015) was a senior Royal Navy officer who served as Director-General, Naval Manpower and Training from 1977 to 1980.

John Stuart Crosbie Lea was born on 4 June 1923 in Shimla, India, where his father was serving with the British Indian Army.

This operation lead to the Battle of the Bay of Biscay where on 28 December 1943, in rough seas, Glasgow along with HMS Enterprise engaged German shipping.

[1] In the post of marine engineer, Lea joined the aircraft carrier HMS Centaur in 1966 before becoming deputy superintendent of the Clyde submarine base in 1967.

The work entailed making the base ready for Polaris missile-firing submarines, this he did in budget and ahead of schedule.