The nuclear test ban treaty, signed on August 5, takes effect.

Research in this area is allowed by the nuclear non-proliferation treaty.

Last month, Republican opposition led to the defeat of the nuclear test ban treaty.

This is not about foreign policy or the nuclear test ban treaty.

It could damage the chance of a comprehensive nuclear test ban treaty.

The findings could help verify whether nuclear test treaties are being observed.

One usage is the enforcement of nuclear test ban treaties.

A3 United States pressure for action on a nuclear test ban treaty.

And the events surrounding the renunciation of the nuclear treaty are the primary reason.

Start-2 is one of several nuclear treaties the Administration is seeking to advance.