Mail Call시즌 2 이미지 교체에피소드 번호1Grenade Launchers/Grape Shot/Shrapnel/D-Day Paratrooper Gear/Jet PacksOverviewLearn how grenade launchers work; how a .30 caliber machine gun compares to a .50 cal; watch Ermey behind the wheel of a Flyer 21; and discover the origin of the word shrapnel.Air dateDecember 15, 2002Runtime (min)25
