[Freelance Warrior]

Shouldn’t we call that a cannon by that size?

I guess no: a cannon has another operating principle.

[GeronL]

So its an O/S thing. Like “Hi, I’m a cannon” “and I’m a mortar”

[steelhead_trout]

IIRC, the Soviets did have a 240mm mortar. And it was a breech-loader; I guess it would be hard to hand drop a round of that size. But I think it depends on angle. Above a certain angle, the category changes from howitzer to mortar. Any ex-gunners out there could clear this up.