Many fighter planes are equipped with 20mm “cannons”. What is the difference between a “cannon” and a “gun”? - Quora
Can the 20 mm cannon of fighter aircraft penetrate a tank's top armor, specifically the M1A1 varaints? - Quora
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What is the explosion radius of most 20mm and 30mm HE/frag cannon shells and what are the extent of injuries depending on proximity/distance from the point of impact? - Quora
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