Recent geopolitical chaos has compelled countries to increase collaboration in defense matters, whether by turning to longtime allies (such as the United States and Israel, and the United Kingdom and Australia) or seeking new counterparts (such as Brazil and Sweden, and Poland and South Korea).

Joint military exercises have become more frequent and are valuable for evaluating the interoperability of defense technologies. Funding for collaborative defense projects is increasing, with missile defense, aircraft and subcomponents, and unmanned technology as main focus areas. Differences in regulatory frameworks for defense technology, however, can create challenges in international transfers. incompatible standards and operating procedures can also affect defense equipment procurement agreements between countries.

This research service examines several bilateral defense business relationships, highlighting growth drivers, restraints, and opportunities. It outlines the most relevant individual and joint projects, presents representative contracts, and lists key companies from each discussed country.