It was launched on 5 June 2002, from Kennedy Space Center, Florida.

STS-111, in addition to providing supplies, rotated the crews aboard the International Space Station, exchanging the three Expedition 4 members (1 Russian, 2 American) for the three Expedition 5 members (2 Russian, 1 American).

This gave the mechanical arm the capability to "inchworm" from the U.S.

Lab fixture to the MBS and travel along the Truss to work sites.

This article incorporates public domain material from websites or documents of the National Aeronautics and Space Administration.