Wiktionary
up-armored
a. (context military especially of a Humvee English) Having upgraded the armor of a fighting vehicle.
Usage examples of "up-armored".
The Mark XVI, XVII, and XVIII had been essentially up-gunned and up-armored Mark XVs.
All three of them had arrived here at the new operations center just moments ago in an up-armored M998 HMMV escorted by two of the new M1117A Armored Security Vehicles (ASV), which had been designated ASV+ to distinguish them from the earlier ASV models.