MOS Description and Mission
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.
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.
Mortarmen spend time in a section within a company's Weapons Platoon, or in the mortar platoon of an infantry battalion's Weapons Company.