House appropriators want the Pentagon's cost assessment and program evaluation office to complete its own review of the future propulsion systems officials are considering for the F-35 Joint Strike Fighter fleet, as the joint program office wraps up a separate analysis of engine modernization options. Under the House Appropriations defense subcommittee’s fiscal year 2023 legislation, lawmakers would direct CAPE to perform “an independent cost estimate and comparative assessment of all propulsion solutions” included within the JPO’s yet-to-be completed business case...