This Sources Sought is on a Brand Name Basis. The Brand Name equipment is required due to compatibility issues with the system units in place to interchange the equipment and accessories. Any solution other than Airbus Ranger satellite terminals would not be compatible with the currently owned communication systems. The requested equipment is already approved and is in use. This effort is to acquire additional equipment that broadens the existing capabilities making Airbus Ranger satellite terminals the best option for use with the current communication systems.