Cpl. Tyler Eddy, an airframes mechanic with Marine Light Attack Helicopter Squadron (HMLA) 169, stands in front of a UH-1Y Huey at Marine Corps Air Station Camp Pendleton, Calif., April 24. In July 2017, Eddy is expected to complete his active-duty enlistment with the Marine Corps and pursue a doctorate in physics at Princeton University in Princeton, N.J. (U.S. Marine Corps photo by Lance Cpl. Jake M.T. McClung/Released) - Cpl. Tyler Eddy, an airframes mechanic with Marine Light Attack Helicopter Squadron (HMLA) 169, stands in front of a UH-1Y Huey at Marine Corps Air Station Camp Pendleton, Calif., April 24. In July 2017, Eddy is expected to complete his active-duty enlistment with the Marine Corps and pursue a doctorate in physics at Princeton University in Princeton, N.J. (U.S. Marine Corps photo by Lance Cpl. Jake M.T. McClung/Released)