Army Maj. Michael Gross, incoming commander of the 628th Aviation Support Battalion, 28th Expeditionary Combat Aviation Brigade, holds the battalion colors during a change of command ceremony at Muir Army Airfield, December 2, 2017. Gross takes over for outgoing commander Lt. Col. Keith Graham.

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Keywords: 28th, army, aviation, aviators, brigade, cab, change, combat, command, commander, division, ecab, expeditionary, guard, helicopter, infantry, national, officer, paarng, pennsylvania