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The largest and the most spectacular antiaircraft cannon of the war. Its effects were devastating against its targets. Its weight prevented its assignment to the land units like the 88mm Flak and it was specialized in the static defense of the Reich. They had the opportunity to engage land targets with a formidable efficiency though, when the allies began to progress on German soil.
The development had started as early as 1936 but the first examples were deployed only in 1941. The aiming and the reload was electrically driven. In August of 1944, there were 450 such cannons available, of which 200 fitted on railroad carriages (the only practical way to make them mobile). They were a little weak against targets at very high altitude. The weapon was very heavy, but gave a devastating firepower against aircraft.
Caliber: 128 mm
Length: 7.84 meters
Weight of the projectile: 25.86 kg
Muzzle velocity: 879 meters per second
Range: 20900 meters
Ceiling: 14800 meters
Japanese Type 5 15cm
Type 5 is the biggest AA gun that Japan has developed. Two guns of Type 5 were deployed at Kugayama in the suburbs of Tokyo in August, 1945, just before the end of WWII. They brought down two B-29s by one engagement. However, they had no chance to fire after that, because B-29 avoided to fly over Kugayama.
Caliber: 149.1 mm
Length : 9 meters
Weight of the projectile: 50 kg
Muzzle velocity: 930 meters per second
Range : 26000 meters
Ceiling: 19000 meters
