Named in honor of James D. Burke on the occasion of his retirement from the Jet Propulsion Laboratory. Jim served as manager of the Ranger project, the first American mission to the moon, and as manager of advanced technical studies. He invented the SNAKE guide-rope for the Soviet Mars’ 96 mission. In 1991 Jim served as managing director of the International Space University. He made impressive contributions to humanity’s efforts to reach the planets. (M 19699) _ _.