A self-propelled howitzer is a type of artillery that combines a large-caliber cannon with an armored vehicle. This design allows the howitzer to move quickly on the battlefield, providing both mobility and protection for the crew. Unlike traditional towed howitzers, self-propelled versions can fire from various positions without needing to be set up separately. These vehicles are equipped with advanced targeting systems and can fire a range of ammunition types, including high-explosive and guided projectiles. Self-propelled howitzers, such as the M109 and PzH 2000, enhance a military's firepower and flexibility in combat situations.