U.S. Nuclear Weapons Policy Today

50 Facts About U.S. Nuclear Weapons Today from the Brookings Institute 
"Their number and role in U.S. security have been reduced, but nuclear weapons still provide important security benefits to the United States and its allies. While the prospects for moving to lower levels than those in New START now appear limited, the Arms Control and Non-Proliferation Initiative at Brookings put together an updated list of "50 Facts About U.S. Nuclear Weapons," originally published in 1998."