U.S. Forces Japan enjoys a mature, strong relationship with the Self-Defense Forces developed over the 50 years since establishing its headquarters here, according to the USFJ commander.

In an interview with The Japan Times, U.S. Air Force Lt. Gen. Bruce Wright also pointed to continued security threats in the region, in particular North Korea's increased missile capability.

On Monday, U.S. Forces Japan celebrated the 50th anniversary of its headquarters at a ceremony at Yokota Air Base in western Tokyo.