The Pentagon's decision to slow F-35 Joint Strike Fighter development will delay the fielding of the G.E.-Rolls-Royce F136 alternate engine by three years and add $1.7 billion to the power plant's price tag, according to a top DOD cost estimator. House lawmakers are calling the Defense Department's delay to F136 development an "unnecessary" move that will only inflate the program's price tag. In an undated memo accompanying the Pentagon's F136 "business case analysis," Christine Fox, director of Cost Assessment and...
