An official friendly visit by Mengistu Haile Mariam, Chairman of the Derg (Provisional Military Administrative Council of Ethiopia), Chairman of the Commission for Organizing the Party of the Working People of Ethiopia, and Commander-in-Chief of the Revolutionary Army of Socialist Ethiopia, to the USSR. Soviet Minister of Foreign Affairs Andrei Gromyko, left, greets Mengistu Haile Mariam at Vnukovo Airport.