Eye to the Sky The Sway Master uses a GPS receiver to detect the speed of the vehicle and an inertial sensor to detect trailer sway. Combining the two technologies, the Sway Master calculates the amount of brake force to apply.
bassman5911: The MH-53J Pave Low III heavy-lift helicopter is the largest, most powerful and technologically advanced helicopter in the Air Force inventory. The terrain-following and terrain-avoidance radar, forward-looking infrared sensor, inertial navigation system with global positioning system, along with a projected map display enable the crew to follow terrain contours and avoid obstacles, making low-level penetration possible. (U.S. Air Force photo)