The H-bomb explosions in mid-Pacific last year were awesome proof of how big the atom can blow. The 14 test shots at Yucca Flat, Nev., programmed between Feb. 1 and this week, are equally sensational ...

In Exercise Long Horn, the vast Army-Air Force mock war in Texas, the green-clad Aggressor forces had just seized a position deep behind the defenders’ lines and were massing for a new attack.

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