By Tom Z. Collina (UPDATED March 29)
By Daryl G. Kimball (UPDATED 8:00pm)
Clearly, Congress has an important role in implementing any comprehensive, final-phase agreement between the P5+1 and Iran to "ensure Iran's nuclear programme will be exclusively peaceful." Those talks are now underway in Vienna.
In that role, members of the Senate and House have a responsibility to support the efforts of the P5+1 on the basis of a clear understanding and realistic expectation for what the negotiations can deliver and for what is necessary to prevent a nuclear-armed Iran.
The following are some of the key arms control dates and developments to watch in the coming week.
The following are some of the key arms control dates and developments to watch in the coming week. 
By Daryl G. Kimball (UPDATED: March 9)
President Vladimir Putin's decision to send Russian military forces into the Crimean region of Ukraine earlier this month—on the basis of the claim that Ukraine's discredited former President Viktor Yanukovich requested Russian intervention—has put the world on edge and created one of the most serious political confrontations between Russia and the West since the end of the Cold War.
The U.S. could save $16 billion by downsizing the strategic submarine fleet from 12 to 8 and still deploy a New START-size force.
As the crisis in Ukraine continues to dominate global attention and the news headlines, several other arms control developments of significance in the coming week.
In the coming days, the staff and editors at the Arms Control Association will be keeping an eye on the following arms control-related developments.
By Kelsey Davenport
This bulletin highlights significant events in the world of arms control in the coming days, as compiled by staff and friends of the Arms Control Association.
