Human Mars exploration may become a reality with the establishment of near-Earth gateways to the Moon and Mars. Global Aerospace Corporation (GAC) will report on the development of its concept for an interplanetary rapid transit system between Earth and Mars at the Annual Meeting of the NASA Institute for Advanced Concepts (NIAC). Mr. Nock, President of GAC and a NIAC Fellow, will give this briefing at the NIAC Annual Meeting to be held at the Lunar and Planetary Institute in Houston, TX, June 11-12, 2002.