What significant development occurred in the Marine Corps in 1913?

In 1913, the significant development in the Marine Corps was the establishment of the first aviation unit. This marked an important evolution in the capabilities of the Marine Corps, as it recognized the need for air support in military operations and sought to integrate aviation into its structure. The establishment of this unit laid the groundwork for the growth of Marine aviation, which would play a crucial role in future conflicts.

The formation of the first aviation unit demonstrated foresight in modern warfare, emphasizing the importance of having a multi-faceted military force that could utilize air power effectively. This development ultimately contributed to the overall effectiveness and strategic capabilities of the Marine Corps in subsequent operations, particularly during World War I and beyond, as air support became an integral component of military tactics.