First Army Division East is a multicomponent-sourced training organization tasked with providing readiness oversight, training and mobilization operations to U.S. Meade, Maryland, as a multicomponent-sourced training organization tasked with providing readiness oversight, training and mobilization operations to U.S. Army Reserve and Army National Guard units from across 36 states, territories and
the District of Columbia. Comprised of four Combined Arms Training Brigades and one Multi-Functional Training Brigade, First Army Division East – as part of First Army – provides the trained and ready reserve component forces necessary to meet the needs of combatant commanders around the world. The division and its subordinate units are uniquely staffed by active and reserve component Soldiers certified as observer coach/trainers, or OC/Ts, who assist, advise, coach, mentor, teach and provide collective training support to meet Department of the Army mandated training requirements. Training support is provided by all OC/Ts to all types of units including infantry, aviation, artillery, engineer, ordnance, logistics and supply, military police, medical support, military intelligence and air defense. By way of the Army’s Total Force Policy, the Associated Unit Program and the First Army Partnership Program, Division East’s mission as a force multiplier is met by the sustained partnerships its subordinate units cultivate with reserve component partners at the brigade, battalion and company levels.