• USN awards contract modifications for Columbia-class and Virginia-class submarines.
• Total combined value is up to $76.6 billion.
• Contracts aim to bolster supplier base and address workforce concerns.
• Incentives include raises for shipyard workers.

The growing submarine contract backlog may indicate a shift in USN priorities towards bolstering the supplier base and addressing workforce concerns. The demand signal sent to suppliers could lead to increased investment in the industry, which may have long-term implications for the US submarine program. The inclusion of incentives for shipyard workers suggests a focus on retaining skilled labor, which could be crucial for meeting production demands.