Tracer rounds are special types of ammunition designed to emit a visible light when fired. This glow allows shooters to see the trajectory of their bullets, making it easier to adjust aim and improve accuracy. Tracers are often used in military applications, particularly in machine guns and artillery, to help operators track their fire. Typically, tracer rounds are loaded with a small pyrotechnic charge that ignites upon firing. They are usually produced in a specific color, such as green or red, to enhance visibility. While useful for targeting, tracers can also reveal the shooter's position, making them a double-edged sword in combat situations.