While the report said the Navy had made progress cutting delays for operational subs, the problem would get worse — and costlier — for those destined for decommissioning.

US Navy attack submarines face significant maintenance delays, costing billions over a decade. A shortage of dry-dock space has led to vessels waiting up to four years for…

While the report said the Navy had made progress cutting delays for operational subs, the problem would get worse — and costlier — for those destined for decommissioning.