Alcoa signed a long-term contract with GE Aviation for jet engine components in an agreement valued at more than $1.5 billion. Under the deal, Alcoa will supply advanced nickel-based superalloy, titanium and aluminum components for a broad range of GE Aviation engine programs. Alcoa will employ advanced-manufacturing capabilities to produce the parts across several facilities, including LaPorte, Ind.; Whitehall, Mich.; Hampton, Va.; Dover, N.J.; Wichita Falls, Texas; Winsted, Conn.; Dives, France; and Laval, Canada.