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b) Less time to target - the flatter trajectory simply means less distance to travel, therefore less time is spent compared to the unpowered exoatmospheric coasting phase of traditional ballistic missiles.  

b) Less time to target - the flatter trajectory simply means less distance to travel, therefore less time is spent compared to the unpowered exoatmospheric coasting phase of traditional ballistic missiles.  

c) Better survivability - The flight path of HGVs, in particular their ability to maneuver into and out of space, makes them extremely difficult to target using even the most sophisticated exoatmospheric [[ABM]]s such as the US [[THAAD]], Israeli Arrow-2, or Russian [[S-400]] and [[S-500]]. This is because these systems were designed to release an exoatmospheric kill vehicle which engages passive, non-maneuverable targets coasting on a predictable, computable ballistic trajectory in space. The flight envelope of current generation exoatmospheric kill vehicles does not allow them to reliably engage HGVs.  

c) Better survivability - The flight path of HGVs, in particular their ability to maneuver into and out of space, makes them extremely difficult to target using even the most sophisticated exoatmospheric anti-ballistic missiles ([[ABM]]s) such as the US [[THAAD]], Israeli Arrow-2, or Russian [[S-400]] and [[S-500]]. This is because these systems were designed to release an exoatmospheric kill vehicle which engages passive, non-maneuverable targets coasting on a predictable, computable ballistic trajectory in space. The flight envelope of current generation exoatmospheric kill vehicles does not allow them to reliably engage HGVs.  

The only country in the world which has proven stockpiles of HGV weapons, is the [[Islamic Republic of Iran]], which fields missiles such as the Kheybar Shekan.

The only country in the world which has proven stockpiles of HGV weapons, is the [[Islamic Republic of Iran]], which fields missiles such as the Kheybar Shekan.