They came from the general chairman and the general secretary of the National Guidance Council of the Pioneer Party of Indonesia, chairman and the first secretary of the Central Committee of the Communist Party of Norway, chairman of the Communist Party of Germany, chairwoman of the Party for Peace and Unity of Russia, chairman of the Hungarian Communist Workers' Party, honorary chairman of the Bulgarian Communists Union, general secretary and the international secretary of the Central Committee of the French Revolutionary Communist League, chairman, vice-chairman and concurrently international secretary and the general secretary of the Communist Party of Great Britain (Marxist-Leninist), general secretary of the Central Committee of the New Communist Party of Britain, chairman of the Central Committee of the Socialist Popular Party of Mexico and the general secretary of the Central Committee of the People's Socialist Party of Mexico.

They also came from political, social and business dignitaries of China, Russia, Nepal, Lebanon, Malaysia, Syria, Pakistan, Iran, India, Norway, Denmark, Germany, Bulgaria, Belarus, Switzerland, the Czech Republic, France, Finland, Croatia, Poland, UK, Austria, Iceland, Italy, Libya, Benin, Mexico and Peru including a member of the Central Executive Committee of the Union Solidarity and Development Party of Myanmar, secretary of the Central Committee of the Communist Workers' Party of Belarus, director-general of the International Institute of the Juche Idea who is secretary general of the Council of the International Kim Il Sung Prize and the Council of the International Kim Jong Il Prize, co-chairman of the Council of the Kim Il Sung-Kim Jong Il Fund, former minister of Defense of the Soviet Union, head of the "Orchestra of the 21st Century" of Russia, director-general of the European Society for the Study of the Juche Idea, general secretary of the International Alliance

of Societies for the Study of the Juche Idea and Songun Policy in East European and Central Asian Regions, secretary general of the International Liaison Committee for Reunification and Peace in Korea and the secretary general of the African Regional Committee of Friendship and Solidarity with the Korean People, and representatives of the international organizations, organizations for the study of the Juche idea and organizations for supporting Korea's reunification and friendship organizations.

They said in the messages and letters that the successful launch of the satellite is a fruition of the energetic leadership of Kim Jong Un over the work to successfully carry out leader Kim Jong Il's plan to build a thriving nation.

They expressed belief that the Korean people would win victory only under the leadership of the Workers' Party of Korea (WPK) headed by Kim Jong Un in the future, too.

The Central Committee of the WPK received messages of greeting from the vice-chairman of the Workers' Party of Turkey and a member of the Secretariat of the National Committee of the Workers' World Party of the United States of America.