So I fixed it editing both BtR_Aiside.bmp and BtR_Aitop.bmp files.
If you like to fix this little bug, you can put these two files (but back up original ones first, please) in your Gary Grigsby's Eagle Day to the Bombing of the Reich/DAT/Art folder and overwrite.
I hope you like it.
Here in Italy isn't possible an "Ariete" to be mistaken with a "Saetta" ...

paulopanz