Marines from Marine Corps Air Station Miramar race

Marines from Marine Corps Air Station Miramar race to the finish line with De Portola Middle School students during the 9th annual Marine Corps Fitness Challenge at the De Portola Middle School in San Diego, Calif., March 22, 2019. During the challenge, MCAS Miramar Marines led students through four different physical training courses during their physical education periods to give the students a better outlook on physical fitness. (U.S. Marine Corps photo by Lance Cpl. Raynaldo Ramos)