Jane's Defence Weekly and Center for Strategic and International Studies stated that it is the Iranian version of North Korea's Hwasong-10.[10][11][12] North Korea sold a version of this missile to Iran under the designation BM-25.[13] The number 25 represents the missile range (2500 km).[10][14][15][16] Iran said it has decreased missile size over the initial version, thus reducing propellant mass and range.[17] Such a range covers targets not only in Israel, Egypt and Saudi Arabia, but even NATO members Romania, Bulgaria and Greece, if fired from Western Iran.[17]IRGC Commander of the Aerospace Division, Brigadier General Amir Ali Hajizadeh stated that the Iranian variant "has become smaller in size and more tactical", which may explain the missile's decreased range. A second theory asserts that Iranian officials do not want to raise concern in Europe about their missile program, and thus are purposely underestimating the range.[18] The IISS's Michael Elleman said that Iran today likely has the capability to go beyond the original range of 1,000-2,000 kilometers with its Khorramshahr ballistic missile, though it chose to limit its range by putting a heavier warhead on it in testing.[19]
Due to the heavy payload, it has potential to carry nuclear warheads,[20] but it is uncertain whether it can carry multiple nuclear warheads due to their size.[21][17]
The gas output from these rockets, range, warheads and rocket launchers are different. In Khorramshahr missile there is some small separated gas output from the big one in the center to control the missile without wings.[22][23] The gas output model of the Khorramshahr missile is more like the Hwasong-12.[24]
The Khorramshahr-4 was unveiled on 25 May 2023. The new variant is reported to have a range of 2,000 km with a 1,500 kg warhead and has a more advanced engine that uses hypergolic fuel can be stored in tanks for years, shortening launch preparation time to 12 minutes. The new propellant requires smaller tanks, reducing the motor section to about 13 m with the warhead adding about 4 m to the missile's length. It also has an airframe made of a stronger composite material and mid-phase navigation system that enables it to correct its course when outside the atmosphere so it is not reliant on terminal guidance that can be disrupted by electronic warfare systems.[25]
History
The Khorramshahr was first reportedly test-fired on 29 January 2017, flying about 950 km before exploding and again tested as of August 2020 with a small re-entry vehicle (RV) that extends its range and possibly its accuracy.[11][26]
^ abجهان|TABNAK, سایت خبری تحلیلی تابناك|اخبار ایران و. "توضیحاتی درباره مشخصات فنی موشک خرمشهر". سایت خبری تحلیلی تابناك|اخبار ایران و جهان|TABNAK (in Persian). Retrieved 28 September 2017.
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