The United States is embarking on a potentially pivotal presidential election in the midst of the COVID-19 pandemic. As the party conventions are fast approaching, the identities of both the Republican and Democratic presidential hopefuls are already clear: the incumbent Donald Trump will face off against former Vice President Joe Biden. Given the obvious temperamental and ideological differences between the two candidates, the election result looks to have potentially profound implications for the direction of US foreign and security policy. What are the key differences between the candidates when it comes to their understanding of America’s international role? How might Trump’s approach to international politics evolve during a possible second term in the White House? What would be the most important changes and continuities from the Trump era in the event of a Biden victory?