General Electric (GE) and partner Rolls Royce have stopped financing their F136 afterburning turbofan designed for the F-35 Lightning II, the two companies announced Dec. 2.
The pair had been privately funding the developmental effort - dubbed the alt-engine - after the U.S. Defense Department formally terminated the project in April.
"The decision, reached jointly by GE and Rolls-Royce leadership, recognizes the continued uncertainty in the development and production schedules for the JSF Program," the companies said in a joint statement. "Following termination, the GE Rolls-Royce [Fighter Engine Team] had offered to self-fund F136 development through fiscal year 2012, but will now end its development work."
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