Marines with Marine Aircraft Group (MAG) 39 Corporals Course 341-16 wait to receive their certificates during their graduation aboard Marine Corps Base Camp Pendleton, Calif., Jan. 27. Eighty-one Marines graduated the three-week long training course required for corporals to earn the next rank. (U.S. Marine Corps photo by Cpl. Alissa Schuning/Released) - Marines with Marine Aircraft Group (MAG) 39 Corporals Course 341-16 wait to receive their certificates during their graduation aboard Marine Corps Base Camp Pendleton, Calif., Jan. 27. Eighty-one Marines graduated the three-week long training course required for corporals to earn the next rank. (U.S. Marine Corps photo by Cpl. Alissa Schuning/Released)

Corporals Course 2-16 graduates are congratulated by fellow Marines after their graduation ceremony aboard Marine Corps Air Station Miramar, California, Dec. 10. Corporals Course, a professional military education program hosted by 3rd Marine Aircraft Wing, is a re-introduction of the basic Marine Corps values to noncommissioned officers.(U.S. Marine Corps photo by Lance Cpl. Harley Robinson/Released) - Corporals Course 2-16 graduates are congratulated by fellow Marines after their graduation ceremony aboard Marine Corps Air Station Miramar, California, Dec. 10. Corporals Course, a professional military education program hosted by 3rd Marine Aircraft Wing, is a re-introduction of the basic Marine Corps values to noncommissioned officers.(U.S. Marine Corps photo by Lance Cpl. Harley Robinson/Released)

Two Marines put new corporal rank insignia on Cpl. Megan Scullin, combat videographer with 3rd Marine Aircraft Wing and a Troy, Mont., native aboard Marine Corps Air Station Miramar, Calif., Jan 6. Scullin attended the Corporals indoctrination and Corporals Course immediately following her promotion. - Two Marines put new corporal rank insignia on Cpl. Megan Scullin, combat videographer with 3rd Marine Aircraft Wing and a Troy, Mont., native aboard Marine Corps Air Station Miramar, Calif., Jan 6. Scullin attended the Corporals indoctrination and Corporals Course immediately following her promotion.