FARNBOROUGH — Investment by GE Aviation in next-generation military engines will increase by 50% next year even as military budgets decline in the U.S. and around the world. The goal: to develop a sixth-generation fighter engine for the U.S. Air Force and Navy, and an advanced engine for helicopters. They will all incorporate ceramic matrix composites (CMCs) in the hot section, and 3-D printing (additive manufacturing) for difficult-to-make parts. “We haven’t had this much ...


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