"The administration and the DoD have been clear and consistent in their position that continuing to waste money on an unnecessary extra engine for the F-35 comes at the expense of other priorities our warfighters need today," the Pratt statement said. "The extra engine will cost more than it will save, will not create new jobs, and the Pratt & Whitney F135 engine currently powering the F-35 is performing flawlessly."
But General Electric said the subcommittee members who voted on the spending proposal are the ones who have spent the most time studying the complexities of the engine question.
Those members "examined this issue in great detail, and determined that competing [Joint Strike Fighter] engines is sound fiscal and public policy," said Rick Kennedy, a GE spokesman, in an email to ABC News. "The case for competing engines on a program this large is simply too compelling."
Several steps in the budget process remain, including the process of reconciling the House bill with the military spending plan approved by the Senate - a plan that did not include funding for the alternate engine. If the final version does include funding for the engine, and Obama makes good on his veto threat, Rep. Dicks told reporters he did not think there were enough votes in the House to override it.
But Rep. Lewis said the president's veto threat is not reason for the House to falter in its support.
"I say that we cannot let fear and threats keep us from doing what we believe is right for the taxpayers and our troops," Lewis said.