Was the Preferred Weapon for the U.S. "Tunnel Rats" while Hunting the Việt Cộng Since World War II, America's elite forces have used quiet firearms for missions where it pays to be silent. Sound suppressors—commonly referred known as silencers—remain in service today. What many don't know is that U.S. commandos once carried revolvers with special cartridges designed to muffle gunshots. According to a 1968 Army report on silencers, "Throughout the history of firearms, gun noise has been of considerable concern to the military." "To the enemy, gun noise reveals presence and, often, the location of the shooter, thus resulting in...