U.S. Reconnaissance Marines move to the next checkpoint during 7th Annual 2015 RECON Challenge hosted by the School of Infantry-West in Camp Pendleton, Calif., May 15, 2015. The RECON challenge encompasses a 30-mile movement throughout Camp Pendleton that includes swimming, live fire, and other obstacles. The event is dedicated to fallen Reconnaissance Marines and sailors. (U.S. Marine Corps photo by Cpl. Ismael E. Ortega, MCIWEST-MCB CamPen Combat Camera/Released)