Sonic 292 Posted August 30, 2012 Another of the planned unit upgrades in Tiberium Alliances has been previewed on the Tiberium Alliances Facebook page. Here's a look at the "GDI Defense Pitbull Unit Upgrade: Flashbang". ' rel='lightbox'>http://i.imgur.com/taZOf.jpg Previously previewed were the "GDI Offense Zone Trooper Unit Upgrade: Charge" and the "Nod Offense Cobra Unit Upgrade: Shield". Share this post Link to post