1. Argonne National Laboratory 9700 South Cass Avenue, Argonne, Illinois 60439
2. EG&G Idaho, Inc., Idaho National Engineering Laboratory P.O. Box 1625, Idaho Falls, Idaho 83415
3. GA Technologies, Inc., P.O. Box 85608 San Diego, California 92138
4. TRW, Inc., One Space Park Redondo Beach, California 90278