Not sure why.
I know a US ICBM would be too much tonnage, but we have tactical nukes we can launch from destroyers/cruisers or stand-off launch from B-52s or B2s.
Putting them on the ground in the south would gain us (or them) nothing.
“Putting them on the ground in the south would gain us (or them) nothing. “
This isn’t about tactics. It’s about comfort. Think of nukes as a national teddy bear.
putting them on the ground in South Korea would force the Russians and Chinese to finally put their pet toad back in it’s box.