[Title] Protocol to the Interim Agreement between the United States of America and the Union of Soviet Socialist Republics on Certain Measures With Respect to the Limitation of Strategic Offensive Arms

The United States of America and the Union of Soviet Socialist Republics, hereinafter referred to as the Parties,

Having agreed on certain limitations relating to submarine-launched ballistic missile launchers and modern ballistic missile submarines, and to replacement procedures, in the Interim Agreement,

Have agreed as follows:

The Parties understand that, under Article III of the Interim Agreement, for the period during which that Agreement remains in force: The US may have no more than 710 ballistic missile launchers on submarines (SLBMs) and no more than 44 modern ballistic missile submarines. The Soviet Union may have no more than 950 ballistic missile launchers on submarines and no more than 62 modern ballistic missile submarines.

Additional ballistic missile launchers on submarines up to the abovementioned levels, in the U.S. - over 656 ballistic missile launchers on nuclear-powered submarines, and in the U.S.S.R. - over 740 ballistic missile launchers on nuclear-powered submarines, operational and under construction, may become operational as replacements for equal numbers of ballistic missile launchers of older types deployed prior to 1964 or of ballistic missile launchers on older submarines.

The deployment of modern SLBMS on any submarine, regardless of type, will be counted against the total level of SLBMs permitted for part of the U.S. and the U.S.S.R.

This Protocol shall be considered and integral part of the Interim Agreement.

Done at Moscow this 26th day of May, 1972.

FOR THE UNITED STATES OF AMERJCA

Richard Nixon

President of the United States of America

FOR THE UNION OF SOVIET SOCIALIST REPUBLICS

L. Brezhnev

General Secretary of the Central Committee of the CPSU