That's more of a technically than anything else. Yes, Russia has missiles classified as IRBMs that have a shorter range than ICBMs, but they still have very similar capabilities to ICBMs in terms of Multiple Re-entry Vehicles and being nuclear armed.
IRBM = Intermediate Range Ballistic Missile. A ballistic missile with a range between 3000-5500km. That's how it's been defined in all the missile treaties.
That's more of a technically than anything else. Yes, Russia has missiles classified as IRBMs that have a shorter range than ICBMs, but they still have very similar capabilities to ICBMs in terms of Multiple Re-entry Vehicles and being nuclear armed.
Inter Rontinental Ballistic Missile?
IRBM = Intermediate Range Ballistic Missile. A ballistic missile with a range between 3000-5500km. That's how it's been defined in all the missile treaties.