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Which countries are involved in the ISS program?

The International Space Station (ISS) program involves a collaboration between several countries. The primary partners are the United States and Russia, who were instrumental in its assembly and operation. Additionally, the European Space Agency (ESA), Japan, and Canada are significant contributors to the ISS. The ESA includes 11 member countries that participate in the program. This multinational effort represents one of the largest cooperative technological undertakings in history, with contributions ranging from modules and laboratories to robotic equipment and solar panels.