Complex sentence: The Shaheen missile can deliver either a conventional or a non-conventional payload and is powered by a solid propellant engine, making it faster to deploy than systems such as the Ghauri or Agni missile.
Split into simpler sentences: The Shaheen missile system can deliver either a conventional or a non-conventional payload. The solid propellant engine, makes Shaheen missiles faster to deploy than systems such as the Ghauri or Agni missile.