Agreement on Measures to Reduce the Risk of Outbreak of Nuclear War Between the United States and the Union of Soviet Socialist Republics

Full Text: http://www.state.gov/www/global/arms/treaties/accident.html

The agreement featured: a pledge by each party to take measures each considers necessary to maintain and improve its organizational and technical safeguards against accidental or unauthorized use of nuclear weapons; arrangements for immediate notification should a risk of nuclear war arise from such incidents, from detection of unidentified objects on early warning systems, or from any accidental, unauthorized, or other unexplained incident involving a possible detonation of a nuclear weapon; and advance notification of any planned missile launches beyond the territory of the launching party and in the direction of the other party.

Signed and entered into force, September 30, 1971.