The Army wants to consolidate the bulk of its major helicopter purchases into a pair of multiyear contracts beginning in fiscal year 2017 -- a $3.3 billion deal with Boeing and a $3.7 billion deal with Lockheed Martin's Sikorsky -- a move the service claims could save nearly $900 million. The Army's FY-17 budget includes two legislative proposals seeking multiyear procurement authority for purchases between FY-17 and FY-21 of the AH-64E, the service's heavy attack helicopter built by Boeing, and...