MARINE CORPS AIR STATION YUMA, Ariz. -- U.S. Marine Corps 1st Lt. Alison Keenan, the Marine Corps Air Station (MCAS) Yuma Adjutant, reads the traditional birthday message from the 13th Commandant of the Marine Corps, Gen. John A. Lejeune, during a ceremony celebrating the Marine Corps’ 246th birthday at MCAS Yuma, Ariz., Nov. 10, 2021. The annual ceremony signified the passing of traditions from one generation to the next. (U.S. Marine Corps photo by Sgt. Jason Monty)