The Defense Department has begun contract negotiations with Boeing to buy 275 Apache AH-64E helicopters, an estimated $3.3 billion, five-year deal that marks the first such multiyear procurement of the Army's premier attack helicopter, according to a service official. "We've entered into negotiations," Col. Jeffrey Hager, Apache program manager, said Oct. 3 on the sidelines of the Association of the United States Army conference. Hager said deliberations began after the Office of the Secretary of Defense last month approved the...