. "151000.0"^^ . "M2 4.2-Inch Mortar"@en . . . . . "The M2 4.2 inch Mortar was a U.S. rifled 4.2-inch (107 mm) mortar used during the Second World War and the Korean War. It entered service in 1943. It was nicknamed the \"Goon Gun\" (from its large bullet-shaped shells, monopod, and rifled bore - like a rifle for shooting Goons) or the \"Four-Deuce\" (from its bore size in inches)."@en . .