Space Tug Author:Murray Leinster "There had been two attempts to blast it with atomic bombs, but it was aloft now, floating grandly around the earth." — This was the space platform. — The crew badly needed food, air, water and means of self-defense. — It was up to Joe Kenmore to make the first flight to carry a cargo into outer space; but the opponents of the platform hadn't given... more » up....« less