A ballistic missile interceptor scores a hit, but there is renewed criticism of a missile defense system.
At issue is whether China has deployed a new intercontinental ballistic missile ICBM near the Russian border.
A high-end cost estimate raises the prospect that the missiles will cost far more than anticipated.
Sponsors look beyond Iran and North Korea to developments in Russia and China.
The Defense Department announced it would miss its date to choose a location for a new ballistic missile interceptor site.
The Pentagon has raised the estimated cost for the new missiles slated to be produced in 2026.
An overview of the current U.S. approach to national and regional missile defense, its costs, and sustainability
Asian states Pakistan, India, China, and North Korea comprise four of the world's nine nuclear-armed states. The interconnections of these countries must be considered to fully understand how nuclear nonproliferation can be influenced.
A new study suggests that President Obama, failed to make progress in key nuclear disarmament areas during his second term.