Office of Navy CNO (OP-09511)

The Office of Navy CNO (OP-09511) was a staff unit under the Chief of Naval Operations that played a pivotal role in shaping U.S. Navy policy and strategic planning during the Cold War era. Tasked with overseeing specialized areas of naval operations, OP-09511 focused primarily on undersea warfare, ensuring technological advancements and readiness of the Navy’s submarine forces. The unit coordinated with various Navy bureaus, intelligence agencies, and defense contractors to evaluate and implement new submarine technologies and tactics. Its contributions were instrumental in maintaining the Navy’s undersea superiority and deterrence capabilities during periods of heightened geopolitical tension.