... The comment by Joint Chiefs of Staff Chairman Gen. Dan Caine, which was described by three people who heard his remarks and a fourth who was briefed on them, is the first known explanation given for why the US military did not use the Massive Ordnance Penetrator bomb against the Isfahan site in central Iran. US officials believe Isfahan’s underground structures house nearly 60% of Iran’s enriched uranium stockpile, which Iran would need in order to ever produce a nuclear weapon. ... Isfahan was only struck by Tomahawk missiles launched from a US submarine. ...
An early assessment produced by the Defense Intelligence Agency in the day after the US strikes said the attack did not destroy the core components of the country’s nuclear program, including its enriched uranium, and likely only set the program back by months, CNN has reported. It also said Iran may have moved some of the enriched uranium out of the sites before they were attacked. ...
Caine and Hegseth on Thursday said the military operation against Fordow went exactly as planned but did not mention the impacts to Isfahan and Natanz.
The emphasis on Fordow from the beginning was intentional, because they knew they couldn't do anything about Isfahan.
You know, like "Look over there! A deer!"