United States Defence Secretary Chuck Hagel announced to deploy new 14 interceptors in Alaska to bolster country's missile defence system against the increasing threat from North Korea.
The interceptor carried a "kill vehicle" that locked on to the approaching mock enemy missile and flew into the 4-foot-long warhead at 18,000 mph with both disintegrating some 100 miles above the earth.
The US military fired an intercontinental ballistic missile-type weapon on Tuesday from the Kwajalein Atoll in the Marshall Islands. It then fired a missile to intercept it from Vandenberg air force base in California.
The United States for the first time has successfully tested a ground-based missile defence system which intercepted a simulated incoming missile over the Pacific Ocean.
'InSight will study the interior of Mars and will teach us valuable science as we prepare to send astronauts to the Moon and later to Mars.'