160219-N-XU135-006 NEWPORT NEWS, Va. (Feb. 19, 2016) A sled moves along the flight deck of Pre-Commissioning Unit Gerald R. Ford (CVN 78) during a test of the waist launchers that comprise part of the ship's Electromagnetic Aircraft Launch System (EMALS). This is the first day of waist launcher testing, which is expected to continue over the next several weeks. (Navy photo by Mass Communication Specialist 3rd Class Kristopher Ruiz/Released)