Ugovor SSSR-a i istočnoevropskih zemalja, skopljen 1955, o prijateljstvu, i uzajamnoj pomoći na svim područjima.
Protivteža NATO-u, raspao se 1991.
Or Eastern European Mutual Assistance Pact
Military alliance 1955–91 between the USSR and East European communist states, originally established as a response to the admission of West Germany into NATO. Its military structures and agreements were dismantled early in 1991; a political organization remained until the alliance was officially dissolved July 1991.