Can ground units ram?

Hmmm...I don't see why not.

If you make a warhead component, or modify the current ones, to allow for Troop and/or Structure targets, and allow it to be placed on Troops (and possibly Fighters) then I think it would work.

"Only by being constantly at war with evil in all things, including yourself, can you truely know peace."
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The Ai will handle it since the functions are incorporated, but I don't know about the ram button, it is most likely not available during ground combat just because they didn't see this as an option Would give new meaning to running over infantry in your high speed tank

Drones are available for ground combat and the unit type gives it a ramming option in its definition (and they do ram).

Oh, sorry, they do in the BSG mod I just added the takes part in ground combat. I have a different view of the drone, small fighter size unit, probably different from everyone else's view of frigate size.

Hmm, I guess the next question is: can sky plane based units ram ground plane units? Death from above type thing. I think it would be cool if the sky units would fall out of the sky once destroyed instead of just evaporate....

You can Ram in ground combat, I've done it. I accidentally made my invasion force unable to fire, So I rammed the bad guys to death...

SEV, more than a feeling.

I wouldn't count on effective ramming between air and ground units. The game's had pod and missile altitude issues in space, so I'm guessing a collision will require direct contact in planetary combat also.