U.S. Boosts Monitoring of Iran Thursday, Dec. 8, 2011
The drone was being used in the hunt for subterranean passageways, installations or other locations that might house secret uranium enrichment operations or production of centrifuge components, the newspaper reported. Uranium enriched to high levels can be used to fuel nuclear weapons.
The United States, France and the United Kingdom in 2009 announced the existence of a secret Iranian enrichment plant at Qum. That find, though, seemed to be largely the result of efforts by Israel.
"We've got nothing of that scale yet," said one high-level U.S. official, but "we are looking every day." More