In the June 2023 edition of the White Paper Series, the Intelligence & Analysis Division examines recent developments involving the China-Cuba relationship. In recent weeks, open source media reporting has raised the issue of an alleged Chinese signals intelligence collection facility on Cuba. Moreover, the two nations are reportedly discussing the creation of a joint military training facility. This paper briefly examines the history of the China-Cuba relationship, details regarding the aforementioned developments, and the implications for U.S. national security.