Educational services, namely, arranging and conducting live and on-line classes, short-courses, seminars, conferences and workshops in the field of space science, space exploration, space craft launch and space craft processing systems, payloads and satellites, optical tracking of atmospheric satellites, aeronautics, astronautics, aviation, space, aerothermodynamics, avionics, defense, and related technical topics, celestial mechanics, and distribution of related printed and on-line course ma...