[1] He served in the British Army during World War II, first in the Suffolk Regiment, and later in the 1st Airborne Division in which he commanded the 89th Field Security Section (Intelligence Corps) at Arnhem.
[1] Kilick joined the Foreign Office in 1946 and served with the Allied High Commission in Germany 1948–51, at Berlin, Frankfurt and Bonn.
[3] Shortly after he arrived, the British government expelled 90 Russian intelligence officers,[4] and Killick had to deal with the difficult Anglo-Soviet relations that followed.
[1] The following year, he married Monica Harries Easton, a fellow retired diplomat; they lived in Southborough, Kent, until her death in 1995.
[8] Sir John Killick Road, built on the former Joint Services School of Intelligence site in Ashford, Kent, is named after him.