Recently, Russian President Mr Putin has proposed a one-year extension without conditions of the last major nuclear arms reduction accord. The Treaty between the United States of America and the Russian Federation on Measures for the Further Reduction and Limitation of Strategic Offensive Arms also known as the New START Treaty . The New Strategic Arms Reduction Treaty (New START) pact limits the number of deployed nuclear warheads, missiles, and bombers and is due toexpire in 2021 unless renewed. It was Signed on 8 April 2010 in Prague, and, after ratification entered into force on 5 February 2011 . It Replaced the Treaty of Moscow (SORT), which was to expire in December 2012. The New START Treaty provides for 18 on-site inspections per year . There are two basic types of inspections . Type One inspections focus on sites with deployed and non-deployed strategic systems; Type Two inspections focus on sites with only non-deployed strategic systems. Terms of the treaty : Deployed intercontinental ballistic missiles (ICBMs), deployed submarine- launched ballistic missiles (SLBMs), and deployed heavy bombers equipped for nuclear armaments; 1,550 nuclear warheads on deployed ICBMs, deployed SLBMs, and deployed heavy bombers equipped for nuclear armaments (each such heavy bomber is counted as one warhead toward this limit); 800 deployed and non-deployed ICBM launchers, SLBM launchers, and heavy bombers equipped for nuclear armaments.