The 0341 Mortarman is the primary MOS for enlisted infantry Marines who operate man portable small and medium mortars as part of the Infantry Battalions' weapons platoons and companies.
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Mortarmen are responsible for the tactical employment of the M224 60mm Light Mortar and M252 81mm Medium Mortar. Mortarmen provide indirect fire in support of the rifle and LAR squads/platoons/companies and the infantry and LAR battalions.
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Mortarmen spend time in a section within a company's Weapons Platoon, or in the mortar platoon of an infantry battalion's Weapons Company.