National Affairs: Last Blast?

The flash was short; the small, cotton-candy cloud could hardly qualify as a bona fide mushroom, and the rumble was barely audible 30 miles away. But there was a watchmaker's genius in every dimension of the tiny (less than one kilo-ton), sophisticated atomic bomb, exploded from a balloon 500 ft. over the Nevada desert last week, and it demonstrated how far the U.S. has progressed in small-weapons development.

It also opened what might well be the last U.S. nuclear-weapons test series. On Oct. 31 Britain and the U.S. have promised to join the Russians...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!