Pukguksong-1

The Pukguksong-1 or Pukkŭksŏng-1, Bukgeukseong-1 (Korean: 북극성1호, lit.'Polaris-1'), alternatively KN-11 in intelligence communities outside North Korea, is a North Korean, two-stage submarine-launched ballistic missile (SLBM) that was successfully flight tested on 24 August 2016.

Pukguksong-1
TypeSubmarine-launched ballistic missile
Place of originNorth Korea
Service history
In service2016–2017 (South Korean estimates) 2018 (US estimates)
Used byNorth Korea
Production history
ManufacturerNorth Korea
Produced2015 (first known test year)
VariantsLand-based mobile intermediate-range ballistic missile (Pukguksong-2)
Specifications
Height7.05 metres (23.1 ft)
7.4 metres (with grid fins)
Diameter1.07–1.13 metres (3.7 ft)
Warheadnuclear, conventional

EngineSolid fuel rocket
PropellantLiquid (2015), solid (2016–)
Operational
range
  • 500 km (Based on tested, lofted trajectory)
  • 1,250 km (Estimated, based on standard minimum energy trajectory by David Wright, A physicist and co-director of the UCS Global Security Program)
  • 2,000–2,500 km (South Korea estimation of the actual deployed range)
Launch
platform
Sinpo-class submarine
Pukguksong-1
Chosŏn'gŭl
Hancha
Revised RomanizationBukgeukseong-1ho
McCune–ReischauerPukkŭksŏng-1ho

Pukguksong-1 is officially recognized by North Korea, South Korea and the United States as a missile that went through a complete, successful test on 24 August 2016. North Korea has never announced the actual operational range and payload, as this technical information is probably considered classified. Most countries do this: e.g., the United States considers the exact operational range of its current SLBM, UGM-133 Trident II, as classified information as well.

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