Seth Cropsey is an American political figure and former United States Department of Defense official. He is the author of several books and studies on maritime strategy and the president of the Yorktown Institute,which describes itself as focused on "great power competition and the U.S. naval and military supremacy that must undergird American grand strategy." He is a former Lt. Commander in the U.S. Navy,where he served from 1985 to 2004.
Cropsey has articulated a range of views on U.S. foreign policy that reflect his experience in international relations and the defense industry,including service as a deputy undersecretary of the Navy under Presidents Ronald Reagan and George H.W. Bush. His perspectives include the primacy of naval power,the interconnectedness of America's diplomatic approach across geopolitical spheres,and the importance of American leadership in preserving a rules-based international order and next-generation military technology.
Advocacy for Naval Power
Central to Cropsey's views on foreign policy is the belief in the paramount importance of naval power in maintaining global stability and ensuring American security interests. He posits that a robust U.S. Navy is crucial to countering rising maritime threats,particularly from nations like China and Russia,and to securing vital trade routes and strategic waterways.[9] Cropsey has consistently advocated for increased naval funding,the expansion of the U.S. fleet,and the modernization of naval capabilities to address evolving threats and challenges.[10]
Perspective on China
Cropsey views the rise of China as a central challenge to U.S. foreign policy,emphasizing the need for a strategic response that combines military readiness,diplomatic engagement,and alliances. He has expressed concerns about China's military modernization,its assertive behavior in the South China Sea,and its broader ambitions to alter the international order.[11] Cropsey advocates for a more assertive U.S. stance toward China,promoting freedom of navigation operations,bolstering ties with regional allies,and enhancing American military presence in the Asia-Pacific region.
Support for Alliances and International Engagement
While recognizing the importance of military strength,Cropsey also underscores the value of international alliances and partnerships. He supports active U.S. engagement in global affairs and sees alliances,particularly NATO,as vital to confronting common threats and promoting shared interests.[12] Cropsey has called for revitalizing traditional alliances and exploring new partnerships,emphasizing the need for a collaborative approach to address issues like terrorism,cyber threats,and nuclear proliferation.[13]
Critique of Retrenchment
Cropsey has been a vocal critic of policies perceived as signaling U.S. retrenchment or withdrawal from the world stage. He argues that such policies undermine American leadership,embolden adversaries,and create vacuums that hostile powers are eager to fill.[14] Cropsey advocates for a proactive and engaged U.S. foreign policy that upholds American values,supports democratic institutions,and confronts authoritarianism and aggression.[15]
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Lieutenant Commander 
