Marines, Sailors and Midshipmen from Auburn University make their way past the entrance to Duke Field, Fla. May 9 during their recent 201-mile journey from their campus headquarters to the Black Hawk memorial in Navarre, Fla. The ruck marchers made the trip to honor the memory of Raider 7, an elite group of Marine Raiders who perished in a helicopter training accident in Navarre March 10, 2015. (U.S. Air Force photo/Dan Neely)