The Cook County sheriff unveiled a “less lethal” 37mm gun Sunday that he says will give officers the ability to disarm violent or unruly suspects by stunning them with a polyurethane projectile shaped ...

The P-39 and P-63 found new purpose in Soviet doctrine due to their heavy nose mounted cannon and excellent low altitude ...

A relic from the early days of using planes as weapons of war, this 11.8-liter WWI-era Hispano-Suiza engine has a 37mm cannon mounted directly between its cylinder banks. In other words, it is perhaps ...

Here’s What You Need to Remember: The M2 quickly became obsolete: though adequate for early-war lightly armored Japanese tanks, the 37mm gun was ineffectual against the war’s later, up-armored ...