The most widespread reading of the situation among independent military analysts is that the target would have been Iran’s uranium enrichment facility at Natanz. Destroying that would only take conventional bombs, not an H bomb. The indications that Trump sent (small) nukes on those B52s are noted in my thread; Trump had sacked and replaced everyone who would have opposed him including the boss of the nuclear security agency, who has to release nukes for deployment, and that Ted Lieu, a veteran USAF lawyer, said he’d been “Working on the Trump nuclear issue”.