House Armed Services Chairman Mike Rogers, R-Ala., said the service is not sized to meet increasing threats from China and Russia.
An amendment to the House version of the annual defense bill that would return a Confederate memorial to Arlington National Cemetery failed to pass.
Environmentalists say the effort will help prevent PFAS from spreading across the region near the former Wurtsmith Air Force Base.
Lawmakers asked the Government Accountability Office to look into the fleet's history in December.
