FORT HOOD, Texas - On any given day around Fort Hood, military vehicles can be seen driving up and down the roads. But behind the scenes, mechanics and metal workers make it possible for those vehicles to properly function.Soldiers from Bravo Field Maintenance Company, 215th Brigade Support Battalion, 3rd "Greywolf" Brigade Combat Team, 1st Cavalry Division, perform maintenance on vehicles and equipment belonging to the Greywolf Brigade.