By Erik Wasson and John T. Bennett - 03/04/11 08:52 PM EST
The passage of the amendment was a defeat for Boehner, who days before expressed support for the second engine and said it would save the Pentagon money in the long run.
Pentagon officials — and two administrations — have for several years tried to end funding for the alternate engine, being built by Rolls-Royce and General Electric in Boehner’s district.
Military officials say it is too expensive and unnecessary because the engine being produced by Pratt & Whitney are sufficient.
The Democrats have dubbed funding for the engine “the Boehner earmark.”