Pittsburgh-based Allegheny Technologies (ATI) and GE Aviation have reached agreement on several new long-term contracts worth a total of around $2.5 billion to ATI for the supply of iso-thermal and ...
GE won a contract for the J93 propulsion system of the North American XB-70 Valkyrie supersonic bomber in 1957. The highly-advanced, lightweight single-shaft turbojet engine incorporated variable ...
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