Iranian President Mahmoud Ahmadinejad oversees the insertion of the first Iranian domestically-produced fuel rod into a research reactor in northern Tehran, Feb. 15, 2012. Iran announced two major achievements in its disputed nuclear program, including the fist-ever insertion of domestically-made fuel plates into a research reactor in northern Tehran and the development of faster as well as more efficient uranium enrichment centrifuges. [Photo/Xinhua]