MR-UR-100 | 15A15 | SS-17 (original) (raw)
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MR-UR-100 missile
The MR-UR-100 intercontinental ballistic missile capable of carrying up to four warheads was developed at KB Yuzhnoe design bureau in Dnepropetrovsk at the beginning of the 1970s. Test launches of the missile started in Tyuratam in 1972. A total of 40 launches (seven of them unsuccessful), had been conducted until 1975, after which the missile was accepted into the armaments of the Soviet Strategic Missile Forces, RVSN.
The missile was deployed until 1983 and its modified version, known as 15A16 or MR-UR-100UTTKh, was undergoing flight tests in Tyuratam between 1977 and 1979. It remained in armaments until 1994.
Test launches of the MR-UR-100 missiles, including its Perimeter variant, were conducted from Sites 67, 170, 172, 173, 176, 177 and 181 in Tyuratam.
The MR-UR-100 missile in its launch container.
Known specifications of the MR-UR-100 missile:
| Number of stages | 2 |
|---|---|
| Length of the vehicle | 22.51 meters |
| Diameter | 2.25 meters |
| Weight (fueled) | 71.2 tons |
| Fuel | UDMH |
| Oxidizer | Nitrogen tetroxide |
| Weight of propellant | - |
| First launch | 1972 |
| Launch sites | Tyuratam |
| Flight range: | 10,250 km (with MIRV) 10,320 (with single warhead) |
| Warhead type: | 4 x 0.4 Mega tons |
| Stage 1 | |
| Stage 1 length | 14.3 meters |
| Stage 1 diameter | 2.25 meters |
| 1st stage propulsion | RD-268 |
| Stage 2 | |
| Stage 2 length | 3.2 meters |
| Stage 2 diameter | 2.15 meters |
The article and photography by Anatoly Zak
Last update:February 26, 2025
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A test launch of the MR-UR-100 rocket. Credit: KB Yuzhnoe
The propulsion section of the MR-UR-100 missile. Copyright © 2001 Anatoly Zak
RD-863 (15D167) steering engine used on the first stage of the MR-UR-100 missile. Copyright © 2001 Anatoly Zak
The warhead of the MR-UR-100 rocket carried multiple individually targeted reentry vehicles, MIRVs. Credit: KB Yuzhnoe
Shown to the scale from left to right are MR-UR-100, RT-23 and R-36 missiles. Copyright © 2001 Anatoly Zak
Scale model of the MR-UR-100UTTKh missile. Copyright © 2001 Anatoly Zak