STS-100 was a space shuttle mission that launched on April 19, 2001, aboard the Space Shuttle Endeavour. The primary objective was to deliver and install the Canadian Space Agency's Canadarm2, a robotic arm that enhances the capabilities of the International Space Station (ISS). The mission lasted 11 days and included two spacewalks to help with the installation of the Canadarm2. STS-100 was significant for expanding the ISS's functionality and supporting future assembly and maintenance tasks in orbit. The mission concluded with a successful landing on April 30, 2001.