Y37.2 - Military operations involving other explosions and fragments
Y37.24 - Military operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device
Y37.240 - Military operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, military personnel
Y37.241 - Military operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, civilian