COLONEL MANDEEP SINGH is a professional air defence gunner with over thirty-three years of experience. A regular contributor to Indian Defence Review and Delhi Defence Review, Colonel Singh is also the author of Baptism Under Fire, which examines the role of air defence artillery in the Indo-Pakistani War of 1965. He maintains a blog entitled Ack Ack: All about Air Defence, which can be seen at: www.airdefence.in