Русско-англо-русский юридический словарь

An arms race occurs when two or more nations participate in interactive or competitive increases in "persons under arms" as well as "war material". Simply defined as a competition between two or more states to have superior armed forces; a competition concerning production of weapons, the growth of a military, and the aim of superior military technology. (Wikipedia)

This might put an end to the arms race and limit the risk of nuclear war. (Cambridge English Corpus)

"... for the first time in our history we are compelled by the urgency of the situation to issue this public appeal to our governments, founded on our view that the clear threat of an uncontrolled nuclear arms race has re-emerged with the collapse in recent years of key elements of the post-Cold War arms control architecture." (CNN)

Washington tried to persuade the Pakistanis not to test the missile, saying it would increase tensions and step up the arms race between Pakistan and its regional rival, India. (The New York Times)