Defense Secretary Chuck Hagel has approved an Army plan to restructure its aviation forces that includes divesting all OH-58 Kiowa Warrior helicopters and taking all AH-64 Apache helicopters out of the National Guard to fill the active component's armed aerial scout mission requirement, according to a defense official. The official said the defense secretary has adopted the Army's plan in the form it was briefed on Capitol Hill, to key industry players and to Inside the Army last month...