Indeed. I am sure there are lots of things under development, I have little knowledge in the area but I ran across this video the other day which suggests refueling and rearming via drone: https://www.youtube.com/watch?v=hNLCa6isqJA
No idea how far between concept and reality that is and obviously this is a whole different class of vehicle than a tank.
No idea how far between concept and reality that is and obviously this is a whole different class of vehicle than a tank.