Israel's tally of the war damage it wrought on Iran includes the targeted killings of at least 14 scientists, an unprecedented attack on the brains behind Iran's nuclear program that outside experts say can only set it back,

As the U.S., Israel and others try to assess the extent of damage done by the U.S. and Israeli strikes on Iran's nuclear program, several facts need to be established, on top of whether enrichment halls at Natanz and Fordow were rendered inoperable.

The U.S. strikes on Iran have only set back the country’s nuclear ambitions by a few months, according to a leaked intelligence report. President Donald Trump refuted the preliminary assessment and said Tehran’s nuclear sites were “obliterated.