Capt. Fred McLaren, PhD, USN Ret., author of “Silent and Unseen” and the former president of the American Polar Society, discusses the early years of the US Nuclear Submarine Force, his book “Unknown Waters,” the resurgence of great-power competition and much more in a wide-ranging interview with Defense & Aerospace Report Editor Vago Muradian at the 2018 AFCEA/USNI WEST conference and trade show in San Diego. Our coverage was sponsored by Leonardo DRS.