In his office at Convair in San Diego last week, Space Age Planner Krafft A. Ehricke inspected the first 20-in.-long model of Helios,* a chemical and nuclear spaceship he envisions for interplanetary travel. For two hours Ehricke mused over his Helios with three visitors, while he suggested minute changes in the model's engine, then gave his O.K. for its production. A full-size prototype of Ehricke's spaceship may be ten years and millions of dollars away. But next year plastic model kits of Helios, ready to assemble, will be in the hands of schoolboys around the world. Price: $1.98.
Helios is...
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