It’s moot since the whole thing is over, but...
Since this is a BRITISH embassy in IRAN, why would the US want to launch anything?
The Brit’s ballistic subs; Vanguard, Victorious, Vigilant and Vengeance are equipped with Trident II D5 missiles.
Brits have Tridents.
I think he was suggesting the British use their Tridents. (The British nuclear arsenal consists almost entirely of Trident SLBM’s as I recall.)
The Brits are the staunchest allies we have.
It is no big deal when one Moslem country creates an “incident” with another Moslem country- well, proto-Moslem...