The 105 mm Gun is a type of artillery piece that fires projectiles with a diameter of 105 millimeters. It is commonly used in military operations for its versatility and effectiveness in both direct and indirect fire roles. This caliber is often found in towed and self-propelled howitzers, providing support to ground troops. Originally developed during World War II, the 105 mm Gun has been utilized by various armed forces around the world. Its design allows for a range of ammunition types, including high-explosive and smoke rounds, making it suitable for different combat scenarios.