[Mobhack]

The firer of an HE weapon wont get hit by it - they know when to duck, presumably!. Otherwise dropping a satchel charge in the next hex, or a 152mm shot at a bunker 3 hexes away might suffer friendly fire making short range use of larger HE weapons a bit of a suicide risk. Everyone else from either side is at risk, however.

Ammo units that explode can generate one or two 1000lb bomb equivalent explosions, therefore shooting them up at close range is hazardous, as is destroying suicide explosive users. Destroying a convoy of explosive-laden units (ammo units, suiciders etc.) can also set neighbouring ones off in a daisy chain.