The subject matter disclosed herein relates to a system and method for negotiating a version of Secure User Plane Location between a network entity and a SUPL enabled terminal. The strike plate unit mounts to the accessory rail under the barrel of the pistol, and includes a secondary accessory rail that enables lights and other accessories to be attached under the strike plate unit while the latter is mounted to the pistol. Food or beverage containers or medical devices may be coated with polymers including a plurality of tetradecahydroanthracene moieties. Each power and ground bus pair may have a power bus and a ground bus. The overlaid images are used to align the pupilfovea orientation axis with the optical axis of the image capture device. The gate further comprises a state of the art interior push bar latch for enabling keyless egress, and state of the art keyed lock for preventing keyless ingress into the gated or secure area.