In the '50's the U.S. went nuts with nuclear weapons tests

In the '50's the U.S. went nuts with nuclear weapons tests

The Japanese bombsvwerent nothing to what came later. Testing was needed. Nowadays supercomputers do the 'blasts' so no real detonation. But it doesn't mean we still don't test the delivery system, as in ICBM"s. Look on YouTube for MMIII launch.