Fax from Ellen R. Stofan, SIR-C Experiment Scientist, to Arthur C. Clarke on the status of the Spaceborne Imaging Radar-C/X-band Synthetic Aperture Radar (SIR-C/X-SAR) observations of the Karisoke Research Center, April 19, 1994. Stofan would later serve as the Director of the National Air and Space Museum and is currently the Smithsonian’s Under Secretary for Science and Research. NASM.2015.0010-bx062-fd005_015