Vela Uniform was the phase of the program concerned with underground testing.

He did extensive work on the monitoring of underground nuclear testing.

The Energy Department, however, said today that underground testing was not a hazard to human health.

The mine is too radioactive after underground nuclear testing to be mined by living people.

Ever since, the general noted, the military has supported the treaty banning underground nuclear testing.

Its purpose was to develop seismic methods for detecting underground nuclear testing.

But the treaty allows underground testing, and that has continued at a remarkable rate - especially in the United States.

A site in Nevada has been used for years for underground testing of nuclear weapons.

Q. Are there any environmental ramifications of underground nuclear testing in the near and the far future?

Neither very much science nor underground testing would be necessary.