Expedition 11 was a mission to the International Space Station (ISS) that took place in 2005. It was launched on April 8, 2005, aboard the Space Shuttle Endeavour. The crew consisted of six members, including NASA astronauts and Russian cosmonauts, who conducted various scientific experiments and maintenance tasks on the ISS. The mission lasted approximately 11 days, during which the crew delivered supplies and equipment to the station. They also performed spacewalks to upgrade the ISS's systems and enhance its capabilities for future missions. Expedition 11 played a crucial role in the ongoing development of the ISS as a platform for scientific research.