The nation has evaluated the nuclear-powered Burevestnik cruise missile, as stated by the country's leading commander.
"We have launched a multi-hour flight of a nuclear-powered missile and it traveled a 14,000km distance, which is not the limit," Senior Military Leader Valery Gerasimov reported to the Russian leader in a broadcast conference.
The low-altitude advanced armament, initially revealed in the past decade, has been described as having a theoretically endless flight path and the capacity to avoid defensive systems.
International analysts have in the past questioned over the projectile's tactical importance and Russian claims of having accomplished its evaluation.
The head of state declared that a "final successful test" of the weapon had been carried out in last year, but the statement could not be independently verified. Of over a dozen recorded evaluations, merely a pair had partial success since the mid-2010s, according to an non-proliferation organization.
Gen Gerasimov stated the projectile was in the sky for a significant duration during the test on the specified date.
He explained the weapon's altitude and course adjustments were assessed and were confirmed as meeting requirements, according to a national news agency.
"As a result, it displayed advanced abilities to circumvent defensive networks," the news agency quoted the official as saying.
The projectile's application has been the subject of heated controversy in military and defence circles since it was originally disclosed in the past decade.
A recent analysis by a American military analysis unit stated: "A nuclear-powered cruise missile would give Russia a distinctive armament with worldwide reach potential."
However, as a foreign policy research organization observed the same year, the nation faces considerable difficulties in making the weapon viable.
"Its induction into the state's arsenal arguably hinges not only on overcoming the substantial engineering obstacle of securing the dependable functioning of the atomic power system," analysts wrote.
"There were multiple unsuccessful trials, and a mishap causing a number of casualties."
A defence publication referenced in the analysis states the missile has a operational radius of between 6,200 and 12,400 miles, enabling "the missile to be deployed throughout the nation and still be equipped to reach targets in the American territory."
The identical publication also explains the projectile can fly as close to the ground as 50 to 100 metres above ground, rendering it challenging for defensive networks to stop.
The projectile, code-named an operational name by an international defence pact, is thought to be propelled by a atomic power source, which is supposed to activate after primary launch mechanisms have propelled it into the sky.
An examination by a news agency last year identified a location 475km north of Moscow as the probable deployment area of the armament.
Using satellite imagery from last summer, an analyst informed the outlet he had identified multiple firing positions being built at the facility.
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