North Korean Deterrence Boosted with HS-15 Success
North Korea is likely seek to increase its production of the Hwasong-15 ICBM
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The largest ballistic missile developed and launched by North Korea, Hwasong 15 (HS-15) launched on the night of November 28, 2017 represents an impressive weapon developed by the rough state to achieve credible deterrence against the United States.
According to analysts, the new Intercontinental Ballistic Missiles, (ICBM) carrying thermonuclear warheads could establish the North Korean nuclear deterrence force as early as next year.Bigger and more powerful than any other missile developed by North Korea, HS-15 utilizes a new, more powerful propulsion system, enabling the missile to fly farther and carry heavier payload.
On its first flight Hwasong-15 flew a short range vertical trajectory to an altitude of 4,472 km (2,780 miles) travelling 53 minutes splashing into the Sea of Japan 950 km east of its launch point at Pyongsong, 25 km northeast of the capital Pyongyang.
Hwasong-15 ICBM first launch on the night of November 28, from the missile base at Pyongsong, 25 km northeast of Pyongyang, North Korea.
According to missile specialist Norbert Brügge, the missile uses the 'Pektusan', the first stage of the two stage missile uses an RD-250 clone liquid propulsion system developed by Pyongyang, comprising two combustors fed by common turbopump to increase takeoff thrust. According to the official statement from Pyongyang the system has speed correction and vector control, alleviating the use of steering engines used in previous models.
The new propulsion is estimated to have 170 percent increase in thrust, compared to the Hwasong-14, which used four steering engines to stabilize the missile on liftoff. The HS-15 stores about 40 tons of liquid fuel, sufficient for 139 seconds of burn time. The new North Korean missile is similar to the old U.S. Titan missile from the 1960s.
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