Alexei Chepa, first deputy chairman of the State Duma Committee on International Affairs, said the Pentagon’s possible use of tactical nuclear weapons in conflicts with Russia and China calls into question the value of further US-Russian dialogue on strategic stability.

Chepa argued that such plans also highlight the risks surrounding the conflict in Ukraine, which he said even American officials have described as approaching the threshold of nuclear war.

He recalled earlier media reports that the US military was considering scenarios involving low-yield nuclear weapons with an explosive power of up to one kiloton. According to Chepa, Washington may view such weapons as a separate tool whose use would not automatically lead to a full-scale nuclear exchange.

The lawmaker suggested that interest in this concept could be linked to the experience of the conflict in Ukraine, where he said US expeditionary forces found themselves at a disadvantage.

Chepa also pointed to what he described as a return to Cold War-era approaches focused primarily on the European theatre. In his view, this raises the question of where Washington might intend to use such weapons.

NBC had previously reported that the Pentagon was developing a new US nuclear strategy with particular emphasis on the possible use of shorter-range tactical nuclear weapons in the event of a conflict with Russia or China.