Book excerpt: Flying Guns of The Modern Era describes the history of aircraft guns, ammunition and their installations in aircraft, from the end of WWII to the present day. This period has seen the development of guided missiles for both air-to-air and ground-attack roles. Covers aircraft installations for all nations and an evaluation of combat use, including a comprehensive table of gun installations in combat aircraft and helicopters, comparative drawings of the principal service weapons and data tables of the guns and ammunition.