According to local press reports, the most advanced U.S. Air Force stealth fighter jets temporarily deployed at Kadena Air Base, carried out nighttime training on Jan. 17, 2018,

This was their first nighttime training since the F-35s deployed in October 2017. An observation post at Kadena Road Station (Michi-no Eki), reported measuring a peak of 102.4 dB noise. The noise exceeded 100 dB twice by 7 p.m.