Japan GSDF fails to determine exact cause of fatal 2023 chopper crash

Maybe that need more "data point" so they can understand the cause.

"The force also pledged to take necessary measures to prevent any similar accidents from happening again, such as strengthening flight safety surveillance."

So... they don't understand the cause at all but will take the necessary steps to prevent it from happening again?

Perhaps it's a "Directed-energy weapon". A directed-energy weapon (DEW) is a ranged weapon that damages its target with highly focused energy without a solid projectile, including lasers,