Original U.S. Vietnam War Era M329A2 4.2” Chemical Mortar Round Made Inert for Training with Inert Lifter Packs - Dated 1974 Technical Books The operator's adjustments are transmitted

The operator's adjustments are transmitted to the missile via a thin three-strand wire that trails behind the missile

especially the decal

The cockade still retains all bright colors to the embroidery with a visible red center

often called the "Thuer" model or "New Model" derringer

an early form of imitation leather

Original U.S. Vietnam War Era M329A2 4.2” Chemical Mortar Round Made Inert for Training with Inert Lifter Packs - Dated 1974 Technical Books The operator's adjustments are transmittedOriginal Item: Only One Available. The M2 4. 2 inch mortar was a U. S. rifled 4. 2 inch (107 mm) mortar used during the Second World War, the Korean War, and the Vietnam War. It entered service in 1943. It was nicknamed the "Goon Gun" (from its large bullet shaped shells, monopod, and rifled bore) or the "Four Deuce" (from its bore size in inches). In 1951, it began to be phased out in favor of the M30 mortar of the same caliber. Not Available for