High-Mobility Multipurpose Wheeled Vehicles. The vehicle has replaced the jeep in the 1980's. It's modular design allows it to be used as a patrol vehicle, ambulance, anti-aircraft weapons platform and many other variants. 19
The military's current version of the Jeep, the HMMMWV (High Mobility Multi-purpose Wheeled Vehicle) is also referred to as a "Hummer" -- which not only sounds goofy, but also like a sexual act.