The Navy has a backup plan to keep the sea-based leg of the nuclear triad operational if next-generation Columbia-class submarines are not delivered on time -- a plan that would see service-life extensions for selected Ohio-class boats beginning as early as fiscal year 2029. “The Navy, in 2021, incorporated up to five Pre-Inactivation Restricted Availabilities (PIRA) for Ohio-class SSBNs into the Navy’s workload schedules to enable life extensions beyond their current service life,” Adm. Lisa Franchetti wrote in response to...
