Greg Allison serves as the Program Manager for the Huntsville Alabama L5 Society (HAL5) High Altitude Lift-Off (HALO) Program, and as President of the High Altitude Research Corporation (HARC). In these capacities Mr. Allison is actively developing cheap access to space technologies. Mr. Allison has worked on the International Space Station Program for Grumman as a systems engineer specializing in robotics, for the Mevatec Corporation as an electrical power systems integration engineer, and for Teledyne Brown Engineering as a payload integration engineer for external space station experiments. Mr. Allison has worked on the M1A2 Abrams tank, the F-15, UH-60 Black-hawk Helicopter and commercial parts washing machines. Mr. Allison also studies means to defend Earth from Comets and Asteroids and the construction of large scale space stations. Currently Mr. Allison is the Chairman of the Executive Committee of the National Space Society. Mr. Allison has been honored with the National Space Society's Space Pioneer Award for Entrepreneurship for Project HALO in 1997. The 1997 Launch of HALO Sky-Launch - 1 (SL-1) hybrid rocket from high altitude balloon over the Atlantic to 36 nautical miles is listed in the Guinness Book 2000 as the highest flight of an amateur rocket.