Chief of Air Force Chief of Staff – Joint Staff Chief of Staff – Air Staff Commander, Air Defence and Operations Command Head, Air Training Commander, Air Force Systems Brigade Head, Air Plans Deputy Head, Joint Operations Department Commanding Officer, 203 Squadron
Hoo enlisted in the Singapore Armed Forces (SAF) in December 1984 and served in the Air Force (RSAF). Throughout his career in the military, he has held various appointments, including: Commanding Officer, 203 Squadron; Deputy Head, Joint Operations Department; Head, Air Plans; Commander, Air Force Systems Brigade; Head, Air Training; Commander, Air Defence and Operations Command; Chief of Staff, Air Staff; Chief of Staff, Joint Staff. Hoo succeeded Ng Chee Meng as the Chief of Air Force on 25 March 2013 and stepped down on 28 March 2016.[3] Hoo, who is trained in air surveillance and air traffic control, is the first non-pilot to serve as the Chief of Air Force.[2][1]