1. A method for capturing and displaying vehicle undercarriage images, the method comprising: detecting a vehicle's presence; acquiring an undercarriage image of an undercarriage of the vehicle using a single line scan camera; acquiring scene images associated with the vehicle using one or more scene cameras, wherein the line scan camera and the one or more scene cameras are controlled by an under vehicle imaging (UVI) module and a power and communications unit (PCU), and wherein the UVI and the PCU are connected to a network; transmitting the undercarriage image and the scene images to one or more operator workstations through the network; storing the undercarriage image and the scene images in a relational database connected to the network; and displaying the undercarriage image and the scene images to an operator.