U.S. to keep working together with Japan following chopper crash

A State Department spokeswoman said Monday the United States will keep working together with Japan in the wake of the crash of a U.S. military helicopter in Okinawa but declined to elaborate on the incident.

"Our relationship with the government of Japan is a very close one and we will continue to work together on a variety of issues," Marie Harf told reporters.

But Harf declined to go into details about how the accident could affect bilateral ties and the U.S. plan to increase the Osprey military aircraft in the southern Japan prefecture amid local opposition due to its history of crashes, including a fatal accident.

"I would have to refer you to U.S. forces in Japan for any details on that," she simply said.

The helicopter crashed in a mountainous area within the premises of a U.S. military base in Okinawa on Monday. The accident site was 2 kilometers from a residential area.

The Japanese Defense Ministry said three of the four crew members aboard the HH-60 rescue helicopter had been confirmed safe but no other details were provided.

After the accident the U.S. military said it has postponed the deployment of 10 more MV-22 Osprey transport aircraft to Okinawa for the time being.