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Home Science & Tech

North Korea’s cruise missile test

September 15, 2021
in Science & Tech
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North Korea’s cruise missile test
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In news– North Korea has tested a new long-range cruise missile recently.

About the new cruise missile-

  • The recent  tests saw missiles travelling up to 1,500km (930 miles).
  • Technically it already had cruise missiles, albeit a shorter range anti-ship system, the Kumsong-3 (KN-SS-N-2 Stormpetrel) based on the Soviet Kh-35.
  • Hence, this is not the first cruise missile test by the country. 
  • However, it is North Korea’s first long-range (1,000 km+) cruise missile and first claimed nuclear-capable cruise missile.
  • The Academy of National Defense Science conducted long-range cruise missile tests in North Korea.

UNSC Sanctions

  • UN Security Council sanctions forbid North Korea from testing ballistic missiles, but not cruise missiles such as these.
  • The council considers ballistic missiles to be more threatening than cruise missiles because they can carry bigger and more powerful payloads, have a much longer range, and can fly faster.
  • A ballistic missile is powered by a rocket and follows an arc-like trajectory, while a cruise missile is powered by a jet engine and flies at a lower height.

What are Cruise missiles?

  • Cruise missiles are fast-moving, guided bombs that soar at a very low trajectory, parallel to the ground. 
  • They are distinct from regular (non-cruise) missiles primarily because they go really far and all such missiles have an internal guidance system.
  •  These missiles differ from ballistic missiles in that they are designed to travel within the earth’s atmosphere and aerodynamically maneuver for most of their flight time.
  • Most cruise missiles use a small, solid- propellant rocket booster, which allows them to gain enough altitude and speed for the onboard sustainer engine to take over.

What is a  ballistic missile?

  • A ballistic missile follows a ballistic trajectory to deliver one or more warheads on a predetermined target. 
  • These weapons are guided only during relatively brief periods most of the flight is unpowered. 
  • Short-range ballistic missiles stay within the Earth’s atmosphere, while intercontinental ballistic missiles (ICBMs) are launched on a sub-orbital trajectory.

 

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Source: Indian Express
Tags: NewspaperPrelims

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