NEW : News agency : Iranian Revolutionary Guard Corps plans ` ` missile exercises '' Head of Iran 's atomic energy program says U.N. experts can inspect site . Iran told IAEA there is no nuclear weapon at the site , IAEA spokesman says . Iran has complained about unfinished site since Bush administration , officials say .
NEW : News agency : Islamic Revolutionary Guard Corps plans `` missile exercises '' Head of Iran 's atomic energy program says U.N. experts can inspect plant . Iran told IAEA there is no nuclear material at the site , IAEA spokesman says . U.S. has known about unfinished site since Bush administration , officials say .