The Navy’s top acquisition priority, the Columbia-class submarine, has hit 95% design maturity, a Navy spokesman told Inside Defense Monday. Alan Baribeau, a spokesman for the Navy, told Inside Defense in a statement the vessel had hit 95% design maturity as of the end of August 2021, with more than 90% of design disclosures complete with a plan to be 100% complete in fiscal year 2023. “Design maturity measures the completion of technical requirements, design arrangements, and design...