Lieutenant General Sir Terence Sydney Airey KCMG, CB, CBE (9 July 1900 – 26 March 1983) was an officer in the British Army.

After passing out from Sandhurst, Airey received a commission in the Durham Light Infantry on 16 July 1919, over eight months after the First World War had ended.

[3] During the latter part of the Tunisian campaign, Airey served as a Brigadier (General Staff) in the 18th Army Group.

[3] In this capacity, he flew to Switzerland with Lyman Lemnitzer, both disguised as Irish businessmen, to meet Allen Dulles.

Airey's cover was as a Mr MacNeilly who claimed to be on a business trip to buy a German dachshund called Fritzel.

[citation needed] After his service at Trieste, Airey was appointed Assistant Chief of Staff, Intelligence, to General Dwight D. Eisenhower at Supreme Allied Headquarters.