Russia is set to deploy the RS-28 Sarmat intercontinental ballistic missile, known as 'Satan 2', to replace older missiles. This advanced nuclear missile can carry multiple warheads, reaching targets across the U.

The RS-28 Sarmat missile, nicknamed Satan II, are capable of carrying multiple nuclear warheads and could potentially strike targets thousands of miles away - including the UK

Experts say the missile is more powerful than the Oreshnik used by Russia to strike Ukraine last week, but has been beset by 'catastrophic' failures

Russia's failed Satan II missile test caused a massive explosion, destroying its only hypersonic weapons site. Experts predicted years for recovery or potential test program cancellation. However, Moscow's recent warnings against Ukraine suggest testing wasn't abandoned.