The Air Force is looking at armored ground vehicles to replace its Humvees that defend missile-launch sites, according to a request for information posted last month and subsequent news reports. "The Level-1 and Level-2 vehicles enable Security Forces to have reach, speed, responsiveness and protection," the RFI, posted Dec. 21 on the Federal Business Opportunities website, stated. "The requirement is for patrol vehicles with adequate protection, rather than protected passenger-carrying vehicles. The vehicles shall have high levels of mobility, with...