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Anti-satellite weapons (ASAT)

MIRV: Multiple Independently targetable Re-entry Vehicle

  • In March 2019, India successfully tested its ASAT missile.
  • The ASAT missile destroyed a live satellite in Low Earth orbit (283-kilometre).
  • As per DRDO, the missile is capable of shooting down targets moving at a speed of 10 km per second at an altitude as high as 1200 km.

There are 2 kinds of Missiles, Ballistic and Cruise

Ballistic MissilesCruise Missiles
It follows a ballistic trajectory with the objective of delivering one or more warheads to a predetermined target.It is a guided missile that remains in the atmosphere and flies the major portion of its flight path at approximately constant speed.
Target is predetermined. Fit for large targets.Target can be mobile. More appropriate for small mobile targets.
Guided only during relatively brief periods of flight and the rest of its trajectory is unpowered and governed by gravity.Are self-navigating
High altitude. Easy to trackAble to fly in extremely low-altitude trajectory. Makes it difficult to track
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