Previous tests have been focused on a trajectory that mimics a North Korean attack . This test is made more difficult by the different trajectory of the incoming missile . In the January test , fake ICBM will be launched from the Marshall Islands . Previous tests have been focused on a missile trajectory that mimics an attack from North Korea , but the January test will have a trajectory and distance resembling an intercontinental ballistic missile launch from Iran . The real one would fly over Japan and land in Alaska or Hawaii.
Previous tests have been focused on a trajectory that mimics a North Korean attack . This test is made more difficult by the different trajectory of the incoming missile . In the January test , fake ICBM will be launched from the Marshall Islands . The real one would fly over Japan and land in Alaska or Hawaii.