A 2.5 Ton diesel powered 2010 Military Truck LMTV (Light Medium Tactical Vehicle). External = Sounds recorded from outside of the vehicle (passbys, etc) OnBoard = Recording perspectives on and in the vehicle Cab = Cabin, where the driver and in cab passengers sit Cargo Area = this is the opened area behind the cabin where troops sit and where cargo is stored. Ramp = is when vehicle is using a single gear (typically 1st gear) and smoothly driven from idle up the RPM redline, then engine brake back to idle. Ramps are often used in video game software.