The vehicle has a crew of four - commander, gunner, loader/signaller and driver and is equipped with a 120mm rifled [[Royal Ordnance]] L30 gun firing all current tank ammunition natures plus the new [[depleted uranium]] (DU) round with a stick charge propellant system.<ref>Tanks of the World, by George Forty, Anness Publishing, 2005</ref> As of January 2009, two Challenger 2s have been damaged in combat, and another one destroyed by another Challenger 2 in a friendly fire incident when the munition entered through the open commanders hatch.<ref>Armed Forces International</ref> | The vehicle has a crew of four - commander, gunner, loader/signaller and driver and is equipped with a 120mm rifled [[Royal Ordnance]] L30 gun firing all current tank ammunition natures plus the new [[depleted uranium]] (DU) round with a stick charge propellant system.<ref>Tanks of the World, by George Forty, Anness Publishing, 2005</ref> As of January 2009, two Challenger 2s have been damaged in combat, and another one destroyed by another Challenger 2 in a friendly fire incident when the munition entered through the open commanders hatch.<ref>Armed Forces International</ref> |