Back صاروخ باليستي وسيط المدى Arabic IRBM Catalan Balistická raketa středního doletu Czech Misil balístico de alcance intermedio Spanish موشک بالستیک دوربرد Persian IRBM Finnish Missile balistique à portée intermédiaire French טיל בליסטי לטווח בינוני HE Missile balistico a raggio intermedio Italian 中距離弾道ミサイル Japanese
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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).[1] Classifying ballistic missiles by range is done mostly for convenience. In principle there is very little difference between a low-performance ICBM and a high-performance IRBM, because decreasing payload mass can increase the range over the ICBM threshold. The range definition used here is used within the U.S. Missile Defense Agency.
Some other sources include an additional category, the long-range ballistic missile (LRBM), to describe missiles with a range between IRBMs and true ICBMs. The more modern term theatre ballistic missile encompasses MRBMs and SRBMs, including any ballistic missile with a range under 3,500 km (2,175 mi).
The progenitor for the IRBM was the A4b winged rocket, based on the V-2, officially called A4, rocket used by Nazi Germany at the end of World War II.
- ^ Wragg, David W. (1974). A Dictionary of Aviation (1st American ed.). New York: Frederick Fell, Inc. p. 166. ISBN 0-85045-163-9.
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