Infantry Drills

FM 3-21.8 – Chapter 6 – Sustainment

Chapter 6


Sustainment facilitates uninterrupted operations by means of logistical support. It is accomplished through supply systems, maintenance, and other services that ensure continuous support throughout combat operations. The platoon leader is responsible for planning sustainment. The platoon sergeant is the platoon’s main sustainment operator. The platoon sergeant works closely with the company executive officer (XO) and first sergeant (1SG) to ensure the platoon receives the required support for its assigned missions. Sustainment responsibilities and procedures in the platoon are the same as those that are habitually associated with Infantry units. The platoon and company rely heavily upon their higher headquarters for their sustainment needs. The company normally forecasts supplies with input from each platoon. in the process.

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