Intermediate-range ballistic missile
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An intermediate-range ballistic missile (IRBM) is a ballistic missile with a range of 2500-3500 km.
See also
Alternative use of launchers
IRBMs are frequently turned into small satellite launchers via the addition of (usually multiple) upper stages. In the United States, this happened to both the Thor and Jupiter. A derivative of the Jupiter, the Jupiter-C launched the U.S.'s first satellite, Explorer 1.
Examples of IRBMs include:
