A test of a US missile interceptor failed in Hawaii, marking the second such unsuccessful attempt in less than a year. A defense official said, the test using the aegis ashore system occurred at the pacific missile range facility on the island of Kauai.

He said the test was of an sm-3 block Iia missile, made by Arms Giant Raytheon and designed to intercept intermediate-range ballistic missiles.A defense official said the test was a failure and investigators have opened a probe.

According to reports, America has so far spent about 2.2 billion dollars on the system and Japan about 1 billion dollar.The failure comes amid heighted tensions over North Korea’s ballistic missile program.

Hawaii is on edge after its emergency management agency triggered mass panic with a false alert of a ballistic missile headed for the pacific islands.