No, just use a big dirty B41. Except those are no longer in the inventory.
(25 megatons with a U-238 jacket)
Gotta go with what we have ready or not ... Perhaps a dose of B-90 (if one is still around), followed by a 475 kT W-88 thermonuclear warhead, and a liberal topping of a W-70 mod 3 ... just so they’d get the message ... wha’da you think? Am I too conservative?