TEHRAN , Iran ( CNN ) -- Iran Tuesday successfully launched its first satellite into orbit , a step hailed by Iran 's president as a `` source of pride '' for the Islamic republic , according to state-run news outlets . Reported satellite launch took place on the 30th anniversary of the Islamic revolution in Iran . U.S. Department of Defense officials confirmed the launch , and the State Department expressed `` grave concern . '' `` Developing a space launch vehicle that could ... put a satellite into orbit could possibly lead to development of a ballistic missile system , '' State Department acting spokesman Robert Wood told reporters . `` So that 's of grave concern to us . '' Secretary of State Hillary Clinton is expected to discuss Iran in meetings Tuesday with British Foreign Secretary David Miliband and German Foreign Minister Frank-Walter Steinmeier . On Wednesday officials from the United States , Britain , France , Germany , Russia and China will meet in Germany to discuss next steps on Iran . Wood said that Undersecretary William Burns , who is representing the United States , will seek input and discuss some ideas the Obama administration has about how to move forward . Watch Iran launch its first satellite » . Two U.S. officials confirmed that Iran had launched a low-earth orbit satellite , CNN Pentagon Correspondent Barbara Starr said . There were no indications of any weapons activity on the two-stage rocket , although the rocket is capable of launching long-range weapons , the officials said . `` I would n't think of this in terms of highly advanced technology , '' one U.S. official said . But it does suggest Iran 's two-stage rockets are increasingly reliable . The Pentagon said Tuesday the launch is `` clearly a concern of ours . '' `` Although this appears to be satellite , there are dual-use capabilities that could be applied to missiles , and that 's a concern to us and everybody in region , '' Department of Defense spokesman Geoff Morrell said . The launch of the satellite Omid -- which means `` Hope '' in Farsi -- was timed to coincide with the 30th anniversary celebrations of the Islamic revolution in Iran , according to Iranian media reports . Iran said the satellite had already completed its first mission -- to transmit a message from Iranian President Mahmoud Ahmadinejad , who spoke at the launching ceremony Monday night . In his message , Ahmadinejad congratulated the nation and said the successful launch improves Iran 's status in the world , the Islamic Republic News Agency reported . He stressed that both the satellite and the Safir rocket used to launch it were made entirely by Iranian technicians . Iranian Defense Minister Mostafa Mohammad Najjar said that despite the small size of the Omid satellite , it will open the way for an Iranian space program . He said Tehran plans to launch another satellite in the future . In August , Iran performed a test of a rocket capable of launching a satellite into orbit . Iranian officials declared that mission a success , but U.S. officials disputed that . Senior U.S. officials had expressed concerned about the test of the rocket , saying Iran could use the rocket to deliver warheads . CNN 's Shirzad Bozorgmehr contributed to this report .
Iran 's president hails launch of first satellite into orbit as `` source of pride '' United States confirms Iran launched low-earth orbit satellite Monday night . Launch coincides with 30th anniversary of victory of Islamic revolution . In August , Iran said it tested rocket capable of launching satellite into orbit .