But the pact has also constrained the United States from deploying new weapons to respond to China's efforts to cement a dominant position in the Western Pacific and to keep U.S. naval forces at bay. "They have been violating it for many years", Trump said after a rally in Elko, Nevada.
Russian Federation has said little about its new missile other than to deny that it is in breach of the agreement. "And we're not going to let them violate a nuclear agreement and go out and do weapons and we're not allowed to".
In 2014, Washington publicly accused Moscow of developing a ground-launched cruise missile that USA officials said was in direct violation of the 1987 agreement because it could allow Moscow to launch a nuclear strike on Europe on short notice.
China is not yet signed up to the pact.
"But if Russia's doing it and if China's doing it, and we're adhering to the agreement, that's unacceptable".
Canelo Álvarez signs richest contract in sport history, worth $365m
Middleweight boxer Canelo Alvarez of Mexico attends a news conference at MGM Grand hotel and casino in Las Vegas, Nevada, U.S. Right now, it's preparing to face Fielding at Madison Square Garden on December 15.
U.S. National Security Adviser John Bolton was headed Saturday to Russia, Azerbaijan, Armenia and Georgia.
He will stop in Moscow first as tensions continue to grow with Russia over war in Syria, Ukraine and alleged Russian meddling in the 2016 presidential elections.
"Only when we become convinced that there is an incoming attack on the territory of Russian Federation, and that happens within seconds, only after that we would launch a retaliatory strike,"Putin said".
President Donald Trump has flagged he wants out of the 1987 deal.
Building on his defiance and boasts, Putin said Russian Federation had nothing to fear given its defense capability and "people ready to defend our sovereignty and independence". "They think if they threaten the West properly, it gets scared".
Sarri: Hazard can realise his dreams at Chelsea
Maurizio Sarri will tell Eden Hazard he does not have to leave Chelsea to win everything in football including the Ballon d'Or. It's really hard to play against a team and focus on one man if that special man is surrounded by special players'.
In Washington, the United States military cast doubt on Putin's claims, the Reuters news agency reported.
The White House said no official decision had been made to leave the treaty, known as INF.
Putin revealed the programme, and other missile systems he said were unbeatable, during his re-election campaign in March.
Balsamo reported from Washington.
Saudi account of Khashoggi death credible
An official familiar with the Saudi operation said: 'There were no orders for them to kill him or even specifically kidnap him. Al-Qahtani then worked as an adviser to the deputy chief of the royal court, before becoming adviser to the court in 2012.