How long did Archibald Henderson serve in the Marine Corps?

Archibald Henderson served in the Marine Corps for an impressive 56 years, holding the position of the 5th Commandant of the Marine Corps from 1820 to 1859. His lengthy and distinguished career in the Marine Corps is notable not only for its duration but also for the significant influence he had on the development and organization of the Corps during a formative time in its history. Henderson’s leadership helped to shape the Marines into a more professional military force, and his commitment to the service is reflected in the duration of his enlistment. His legacy continues to be honored, illustrating the impact that a long and dedicated service can have on military tradition and operational effectiveness.