QF-13

Destroy target flying vehicle.
By 1915 German Air superiority was dominating the Western Front and so Sir John French requested the design of a high caliber anti-aircraft gun that infantry could use to support their pilots. Although 18 pound AA guns existed prior to the QF 13, their slow muzzle velocity made them easy for German Pilots to evade. The QF 13 set new bounds for the maximum height and speed an AA gun could fire at.
“The Enemy aircraft were coming at me from all sides, I seemed to be mi