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Hwasong-10

Hwasong-10 (Musudan)
BM25 Musudan.jpg
Type Ballistic missile, Mobile IRBM
Service history
In service Successful test on 22 June 2016
Used by North Korea, possibly Iran
Production history
Manufacturer North Korea
Specifications
Length 12m
Diameter 1.5m
Warhead
Warhead weight 1,000–1,250 kg (est.)

Engine Liquid (same or derived from R-27 R-29)
Propellant Hypergolic combination of unsymmetrical dimethylhydrazine (UDMH) as fuel, and nitrogen tetroxide (NTO) as oxidizer
Operational
range
2,500–4,000 km (est.)
Guidance
system
Inertial
Launch
platform
MAZ-based vehicle
Korean name
Chosŏn'gŭl 화성 10
Hancha
Revised Romanization Hwasong-10
McCune–Reischauer Hwasong-10

The Hwasong-10 (Chosŏn'gŭl: 화성 10; hancha: 火星 10), also known by the names BM-25 and Musudan (Chosŏn'gŭl무수단; Hancha舞水端), is a mobile intermediate-range ballistic missile developed by North Korea. Hwasong-10 was first revealed to the international community in a military parade on 10 October 2010 celebrating the Korean Worker's Party's 65th anniversary, although experts believe these were mock-ups of the missile. Hwasong-10 resembles the shape of the Soviet Union's R-27 Zyb submarine-launched missile, but is slightly longer.

In the mid-1990s, after the collapse of the Soviet Union, North Korea invited the Makeyev Design Bureau's ballistic missile designers and engineers to develop this missile, based on the R-27 Zyb.

It was decided that, as the Korean People's Army's MAZ-547A/MAZ-7916 Transporter erector launcher could carry 20 tonnes, and the R-27 Zyb was only 14.2 tonnes, the R-27 Zyb's fuel/oxidizer tank could be extended by approximately 2 metres. Additionally, the warhead was reduced from a three-warhead MIRV to a single warhead.

The actual rocket design is a liquid fuel rocket, generally believed to use a hypergolic combination of unsymmetrical dimethylhydrazine (UDMH) as fuel, and nitrogen tetroxide (NTO) as oxidizer. Once the fuel/oxidizer combination are fed into the missile, it could maintain a 'ready to launch' condition for several days, or even weeks, like the R-27 SLBM, in moderate ambient temperatures. A fueled Hwasong-10 would not have the structural strength to be safely land transported, so would have to be fueled at the launch site.


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