Well known is the treaty's acronym, START. Or, to use the term preferred by the White House, New START. (Prior posts on nuclear policy are here, here, and here.)
"New START" marks a distinction from START I, a multilateral treaty due to expire toward the end of this year. START I had been negotiated before the fall of the Soviet Union; it entered into force thereafter, with Belarus, Kazakhstan, Russia, Ukraine, and the United States exchanging instruments of ratification in Budapest on December 5, 1994.
Another reason for preferring "New START": START II proved a bit of a false start. Signed in 1993 by U.S. President George H.W. Bush and Russian President Boris Yeltsin and fully ratified by 2000, the treaty never was implemented. As explained in a Moscow Times story yesterday,
Russia withdrew from START II in 2002, the day after the United States withdrew from the Anti-Ballistic Missile Treaty.
cuts of hundreds of strategic nuclear warheads and delivery vehicles as the main lever of their so-called 'reset.'
[T]he Russian daily Kommersant reported that Russian President Dmitry Medvedev likely won't have difficulty getting the Russian Parliament to ratify the agreement, but U.S. President Barack Obama will have a harder time achieving the two-thirds majority needed for passage by the U.S. Senate [right].