Deakstadieđáhus: Establishing a robotic, LEO-to-GEO satellite servicing infrastructure as an economic foundation for exploration / Gary A.P. Horsham and George R. Schmidt, James H. Gilland ; prepared for the Space 2010 Conference and Exposition sponsored by the American Institute of Aeronautics and Astronautics, Anaheim, California, August 30 to September 2, 2010.