You can use torpedoes in the land.

And this suggestion explains little to nothing, how would they work, what would change from torpedoes, why there is a need for it?

wait you can use torpedoes on land?

Also i guess they would work similarly to torpedoes and have a certain Y level that they have to be used at, say Y50 to Y80. Would explode upon impact and do say 3 hearts to a player and maybe 5 blocks damage. Craft would only be allowed to have 2 connected at a time and could have a cooldown to make it balanced

torpedoes can be launched from bombers, I think that is sufficient.