The Senate Armed Services Committee is concerned about schedule delays and cost overruns associated with the Navy’s 20-year, $21 billion Shipyard Infrastructure Optimization Program. The state of the infrastructure at the nation’s four public shipyards and the effects on ship maintenance has caught the attention of lawmakers, many of whom have expressed concerns about the long duration of the Navy’s plan to improve the shipyards. The committee filed its fiscal year 2022 defense authorization bill Thursday, and released a report...