Leroy Chiao is the CEO and co-founder of OneOrbit LLC, a motivational, training and education company. He served as a NASA astronaut from 1990-2005 and flew four missions into space aboard three Space Shuttles -- and once as the copilot of a Russian Soyuz spacecraft to the International Space Station, where he served as the commander during Expedition 10. The opinions expressed in this commentary are his own. View more opinion articles on CNN.
The International Space Station (ISS) is a shining example of international cooperation. Former Cold War and World War II allies and enemies came together to create arguably the most successful and visible international civil program which continues to endure today, after more than 20 years.