Year of Execution: Rotational Forces in Action. Presenters are CG, USAREUR, COL Chris Norrie, former Cdr., 3rd Armored Brigade Combat Team, 4th Infantry Division, currently Cdr., Operations Group, NTC, COL Claire Gill, Cdr., 10th Combat Aviation Brigade,10th Mountain Division and COL Michelle Donahue, Cdr., 16th Sustainment Brigade.