In this podcast, Dan is joined by former Secretary of the Navy, John Lehman. Secretary Lehman served under President Ronald Reagan and took office at the age of just 38 years old. This podcast explores the influence of the U.S. Navy during the Cold War and Secretary Lehman’s new book Oceans Ventured: Winning the Cold War at Sea. One of Secretary Lehman’s greatest achievements was Ocean Venture ’81, a naval exercise that took place in 1981 that involved 120,000 service personnel, 250 ships and about 1,000 or more planes from 14 countries. Listen to the full podcast to hear the untold story of the U.S. naval efforts during the Cold War and the important role of deterrence to U.S. national security.