Tracer rounds, special bullets that light up like fireworks, have helped soldiers aim machine gun fire for almost a century. And for those 100 years, enemy soldiers have watched those flashing bullet ...

Dispatches from the war zones have occasionally mentioned a new and highly effective incendiary machine-gun bullet in use by Allied airmen. Last week the Army authorized publication of some details ...

Although the United States’ “shock and awe” bombing campaign seems to have subsided, anti-aircraft fire still flashes across the Baghdad skyline. Why are the rounds fired by Iraqi troops visible to ...

Tracer ammunition was developed so that soldiers could more effectively kill enemy combatants at night and over long distances. It was later was found useful in air warfare, where it helped pilots see ...