6. The Alien

Vehicle: Ricardo Fed Alpha
Years In Service: 2008-present
Complex Says: The Fed Alpha might be the Hummer of the future. It was designed as part of the U.S. Army's 2008 Fuel Efficient Ground Vehicle Demonstrator program. It has a fuel-sipping turbo diesel in-line four engine, and an ultra-light blast shield designed by aluminum giant, Alcoa. The military is currently testing the vehicle in mock convoy and urban assault situations.