"Russia has begun exercises with its Yars intercontinental ballistic missile system and several thousand troops," Russia's defence ministry said on Wednesday, APA reports citing Reuters.
"In total, more than 3,000 military personnel and about 300 pieces of equipment are involved in the exercises," the defence ministry said in a statement on the Telegram messaging service.
The drills involve the Strategic Missile Forces comprehensive control checking of the Omsk missile formation together with a command and staff exercise with the Novosibirsk missile formation equipped with the Yars systems.
During the exercises, the Yars mobile systems will conduct manoeuvres in three Russian regions, the ministry said, without identifying the regions.
"Also, strategic missilemen will carry out a set of measures to camouflage and counter modern aerial reconnaissance means in cooperation with formations and units of the Central Military District and the Aerospace Forces."
There are few confirmed tactical and technical characteristics of the Yars mobile intercontinental ballistic missile systems, which reportedly have an operational range of 12,000 km (7,500 miles).
According to military bloggers, the systems are able to carry multiple independently targetable nuclear warheads and can be mounted on a truck carriers or deployed in silos.