Yuri Lonchakov is a Russian cosmonaut who was born on March 14, 1966. He has participated in several space missions, including flights to the International Space Station (ISS). Lonchakov is known for his work in conducting scientific experiments and performing spacewalks during his missions. In total, Yuri Lonchakov has spent over 180 days in space. He flew on Soyuz spacecraft and was part of the Expedition 12 crew. His contributions to space exploration have helped advance our understanding of living and working in space environments.