The current nuclear crises involving Iran and North Korea make it unlikely that either of these two countries will soon join the CTBT.
There are three key Asian states who have not jointed the CTBT regime.
Russian experts are worried about the future state of Russian nuclear weapons without full-scale nuclear detonations.
What are the prospects for the CTBT in the United States?
The CTBT will include verification instruments and shape verification approaches.
A major subject of discussion at the 2012 Moscow Nonproliferation Conference was the Comprehensive Test Ban Treaty (CTBT).