Chaplain (Cpt.) William Allan, Chaplain of the 389th Combat Sustainment Support Battalion, 1st Armored Division Resolute Support Sustainment Brigade, 13th Sustainment Command (Expeditionary), gives a Father's Day greetings to loved ones back on home in Afghanistan on June 10, 2015. Allan was acting as the Brigade's Chaplain pending the arrival of the unit's new one. Also available in high definition.