170428-M-OM791-205 BEAUFORT, S.C. (April 28, 2017) The U.S. Navy flight demonstration squadron, the Blue Angels, prepare to practice routine maneuvers in preparation for the 2017 Air Show aboard Marine Corps Air Station Beaufort, S.C. The training day allowed military and civilian pilots to practice their aerobatic routines before the Air Show opened to the public. (U.S. Marine Corps photo by Lance Cpl. Kayla L. Rainbolt/Released