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Unha-2 ("Taepodong-2")

Unha-2 (Kwangmyŏngsŏng 2) [KRT]

The Unha rocket, which bears the western codename Taepodong-2, is North Koreas second attempt to produce a long range missile. It is thought to be capable to reach the western areas of the United States or to place a small satellite into orbit.

The Unha is a three stage launch vehicle. The rocket uses storable liquid fuel. The first stage is a new design, which features four Nodong class engines with four steering engines and is 2.40 m in diameter. It uses kerosene and nitric acid as propellants. The second stage with a 1.5 m diameter features a Scud-class engine and uses also kerosene and nitric acid. The 1.2 m diameter third stage could be related to the second stage of the Iranian Safir rocket and uses UDMH and NTO as fuels.

A second launch attempt of an Unha family rocket featuring the three stage rocket Unha-2 was conducted in April 2009, but failed to orbit its payload.

An improved version was built under the designation Unha-3.

Version Stage 1 Stage 2 Stage 3
Unha-2 Stage 1 / 4 × Nodong-class engine Stage 2 / Scud-class engine Stage 3 / 2 × ?
Performance (kg) LEO LPEO SSO GTO GEO MolO IP
Unha-2 ? ? ? - - - -
No:    TNo:     Type              Date             LS    Payload

 2      1       Unha-2            05.04.2009 F     To    Kwangmyŏngsŏng 2


Launch sites:

To  = Tonghae (Musudan-ri), Hwadae County, Hamgyong Province, North Korea North Korea

*  = suborbital


Failures:

 2: Stage 3 failed