Hiring and retaining a robust workforce is the key challenge the submarine industrial base must overcome to reach the Navy's desired production rate of one Columbia- and two Virginia-class submarines each year, according to a senior official. Speaking Wednesday at the Naval Submarine League Symposium, Executive Director of Strategic Submarines Matt Sermon said two recent industrial base studies performed by the Pentagon’s cost assessment and program evaluation office indicate the submarine industrial base is “gated by workforce.” “Our ability to...