This image is a view of the underside of Columbia during its entry from mission STS-107 on Feb. 1, 2003, as it passed by the Starfire Optical Range, Directed Energy Directorate, Air Force Research Laboratory, Kirtland Air Force Base, N. M. The image was taken at approximately 7:57 a.m. CST (1357 GMT). This image was received by NASA as part of the Columbia accident investigation and is being analyzed. http://www.nasa.gov/columbia/COL_image_030207.html