While US President Joe Biden was in Ukraine, Russia tested an intercontinental ballistic missile that appears to have failed.. It is reported by CNN, citing sources..

According to one of the sources, Russia informed the United States in advance about the launch through a special line. Another source said the tests were not dangerous and that the US did not view it as an escalation..

However, tests of the heavy SARMAT missile, which is called Satan II in the West, and capable of carrying several nuclear warheads, were unsuccessful.. The U.S. says the SARMAT has been successfully tested before, and had the latest test been successful, Russian President Vladimir Putin would have emphasized this in his speech to the nation on Tuesday..

But in a speech that lasted almost two hours, Putin did not mention the launch. However, he has officially announced that Russia will suspend the country's participation in the New Nuclear Arms Reduction Treaty, jeopardizing the latest agreement governing the world's two largest nuclear arsenals..

The timing of the test suggests that the US and Russia communicated through several different channels earlier this week to resolve the conflict.. Also on Sunday evening, hours before Biden's visit to Kyiv, U.S. officials briefed Russians on the trip..

Putin has claimed successful tests of intercontinental ballistic missiles in the past, with a separate one in April last year, just months after Russia invaded Ukraine.. It was also a test of the SARMAT missile, first unveiled in 2016 and said to have a range of over 11,000 kilometers (6,835 miles) according to Russian state media.. The missile can carry a warhead weighing 100 tons and was developed as a successor to the R-36M Voyevoda ICBM..

Putin warned last year that the missile would "

At that time, Western experts perceived the test in 2022 as a “rattling of nuclear weapons” and an attempt to divert attention from Russia’s military failures of that time, in particular the sinking of its Black Sea flagship Moskva..

The Pentagon spokesman at the time, John Kirby, said that these tests were routine and did not come as a surprise, and also did not pose a threat to either the United States or its allies..

Over the past year, the Russian military has suffered numerous serious defeats on the battlefield in Ukraine and has generally failed in its strategic goals..

“Russia is now a global pariah, and the world is still inspired by Ukrainian courage and resilience. In short, Russia has lost – it has lost strategically, operationally and tactically,” Chairman of the Joint Chiefs of Staff General Mark Milley said last week..

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However, Putin is in no hurry to rethink his war, which he still insists is a “special military operation.”.

Last week, Russian fighters and bombers flew near Alaska twice in two days, forcing NORAD to raise retaliatory fighters.. The Russian aircraft remained outside US and Canadian sovereign airspace extending 12 miles from the coastline, but they flew within the Alaska Air Defense Identification Zone, which is up to 200 miles from the coastline..

Two F-16 NORADs intercepted TU-95 bombers and SU-35 fighters, which had already entered the air defense zone last Monday. A day later, F-35 NORADs were intercepted by TU-95 bombers, as well as SU-30 and SU-35 fighters..

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NORAD stressed that they do not consider Russian flights as a provocation or threat, and also do not consider them connected with air objects recently noticed around Alaska and Canada..