“Strikes on Iran set back its nuclear program only several months”
“WASHINGTON — An initial assessment by the Defense Intelligence Agency concludes that the U.S. airstrikes conducted over the weekend on Iran’s nuclear enrichment sites were not as effective as President Donald Trump said and only set the country's nuclear program back by three to six months, according to three people with knowledge of the report.”“We were assuming that the damage was going to be much more significant than this assessment is finding,” said one of the three sources. “This assessment is already finding that these core pieces are still intact.”

Strikes on Iran set back its nuclear program only several months, sources say
The initial assessment would appear to contradict Trump's and Netanyahu's claims the U.S. attack "obliterated" Iran's nuclear capabilities.

“US airstrikes failed to destroy Iran's nuclear sites”

US strikes failed to destroy Iran's nuclear sites, intelligence report says
U.S. airstrikes only set Iran's nuclear capability back by a few months, a U.S. intelligence assessment said.
Must be why schedule update of the bombing to Congress was suddenly postponed to a later date
Guarantee that is one report that will never be released for public view