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Japan Ground Self-Defense Force Shell Ruptures During Training, Killing 3
Three members of Japan's Ground Self-Defense Force died and one was injured when a tank shell ruptured during a firing drill in Oita Prefecture. No civilian casualties have been reported.
Incident During GSDF Training in Oita Prefecture
On the morning of April 21, a tank shell ruptured during a live-fire exercise at a Japan Ground Self-Defense Force (GSDF) training ground in Oita Prefecture. The incident resulted in the deaths of three GSDF personnel and injuries to one other member.
Investigation Underway, No Civilian Casualties Reported
There have been no confirmed civilian casualties as a result of the explosion. The GSDF is currently investigating the precise circumstances and cause of the shell rupture. NHK World-Japan reported on the incident, noting ongoing efforts to gather more information.
*Source: NHK World-Japan (2026-04-21)*
