The nature of the modern battlefield demands that the maintenance system that is flexible and responsive, and focused on returning systems to operational status quickly and as near as possible to the point of failure or damage. This requirement implies a forward thrust of maintenance into brigade areas. Maintenance assets move as far forward as the tactical situation permits to return inoperable and damaged equipment to the battle as quickly as possible. Field maintenance accomplishes this mission by isolating faults and replacing failed components. This chapter describes the mission, organization, and operations of the field maintenance company (FMC).