Since 1790, throughout both World Wars, Vietnam, and a majority of the Cold War, the Coast Guard’s major cutters relevantly contributed to United States naval warfare capacity. The post–Cold War global security environment reinforced the Coast Guard’s relevance as a hybrid military-and-law enforcement service, sharing similarities with many navies throughout the globe. However, despite very recent recapitalization, Coast Guard major cutters, the mainstay of Coast Guard armed service relevance, are potentially less prepared for war than at any other time in service history due to the reemergence of long-term, strategic competition from revisionist powers such as Russia and China, and rogue regimes in North Korea and Iran. These nations prese...