Question: Who deployed the ballistic missile submarines that used nuclear reactions that release nuclear energy to power them?
Sentence (from "Intermediate-range ballistic missile"): An intermediate-range ballistic missile (IRBM) is a ballistic missile with a range of 3,000–5,500 km (1,864–3,418 miles), between a medium-range ballistic missile (MRBM) and an intercontinental ballistic missile (ICBM).
Relevant evidence: No