KENNEDY SPACE CENTER, FLA. - Astronaut John Herrington speaks to the visitors at the memorial service held at the Space Memorial Mirror for the crew of Columbia. Herrington, who is a Chickasaw from Oklahoma, introduced the Shoshone-Bannock Junior-Senior High School dancers, from the Native American community at Fort Hall, Idaho, who performed a healing ceremony. Students and staff of the Shoshone-Bannock Nation had an experiment on board Columbia. Feb. 1 is the one-year anniversary of the loss of the crew and orbiter Columbia in a tragic accident as the ship returned to Earth following mission STS-107. The public was invited to the memorial service, held in the KSC Visitor Complex, which included comments by Center Director Jim Kennedy and Executive Director of Florida Space Authority Winston Scott. Scott is a former astronaut who flew on Columbia in 1997.