What era did General Henderson lead the Corps through?

General Henderson led the Marine Corps during a transformative period in U.S. military history that included the Indian Wars and the War with Mexico. His leadership saw significant changes in tactics, organization, and equipment in the Marine Corps, which were essential for the unique challenges presented by these conflicts. The Indian Wars were characterized by the need for mobile forces to operate in harsh and varied terrains, while the War with Mexico saw the Marines engage in amphibious operations, laying foundational strategies that would benefit future conflicts.

This era showcased the evolution of the Marine Corps into a more versatile and capable fighting force, setting the stage for its pivotal role in later military engagements. Henderson's influence during this time was paramount in shaping the Corps' operational doctrines and fostering a spirit of adaptability and resilience that would endure in subsequent conflicts.