Proof Mars has about 60,000 tons of Nuclear Weapons on it?

"The United States and the Soviet Union have managed to booby trap the planet with about 60,000 tons of nuclear weapons with a little help from Briton, France, China and Israel. A tiny Fraction of those weapons is enough to destroy the participating nations, certainly the global civilization possibly and the human species maybe." 

The quote is at 34.30 in the video below, was this some disclosure from 1988?