An ongoing engine modernization program for the F-35 Joint Strike Fighter will have to halt at the end of June if Congress isn't able to rectify a monthslong partisan divide over the fiscal year 2024 budget, Inside Defense has learned. “The program continues to mitigate preliminary design risks,” Russell Goemaere, a spokesman for the F-35 Joint Program Office, said. “We believe, if there is no appropriation, we can use funding for existing work to cover contract costs through June...