This is a B.S. I on the world with John Bachelor.

London reporting.

Russia to train troops to use nuclear weapons on the battlefield.

Subhead Moscow's defense ministry says exercises will involve Iskander M, ballistic missiles,

and various aircraft.

And then there's an intimidating photograph of men wrapped in white handling something that

looks like a very real large missile but it's presented as a tactical nuclear

weapon. I welcome my colleague Colonel Jeff McCaus and the United States Army retired, CBS News, visiting

Professor Dickinson College, who with his colleagues have published a book that is available

at Amazon, Tactical nuclear weapons, and NATO.

Jeff, a very good evening to you.

Vladimir Putin has mentioned nukes throughout the war in Ukraine.

Now we're getting photographs from the Kremlin and talk about

training troops to use tactical nuclear weapons. What is your measure of

tactical nuclear weapons in a battlefield such as Europe today.

Would they be effective?

Good evening to you, Jeff.

Good name to you, John.

Well, one has to describe, first of all, what effective means.

And of course, for the Russians in their military doctrine

when it came the use of so-called tactical nuclear weapons they were to be used on the battlefield

primarily to break a open the enemy defenses to then allow Russian heavy armor mechanized vehicles to

...