Art Of War mod is partial-conversion modification adding lots of new features to old Zero Hour's gameplay, they are discussed in summary.
Be sure, you will see something like that as crate upgrade of Sherman Firefly for Juhziz. Why? Lols/trolling/fun/whatever...
Just that this isnt a chassis or hull of Sherman or Firefly, but nvm
It's M-52 on base on Sherman's reversed hull, as I know