TO: Gary A. Linford
    Lockheed Martin Advanced Technology Center
    Dept H1-12, B252
    3251 Hanover Street
    Palo Alto, CA  94304
    U.S.A.

    415-354-5501 (424-4051)
_________________________________________________

FM: Prof. Y. Ogawara
    Institute of Space and Astronautical Sciences
    3-1-1 Yoshinodai, Sagamihara,
    Kanagawa 229, Japan