What year marks the establishment of the Fleet Marine Force as part of the Marine Corps?

The establishment of the Fleet Marine Force (FMF) as part of the Marine Corps occurred in 1933. This development marked a significant evolution in the organization of the Marine Corps, emphasizing its role in amphibious warfare and close cooperation with the Navy.

The FMF was created to prepare and project naval expeditionary forces that could operate effectively in operations involving the sea. This restructuring was pivotal as it allowed the Marine Corps to become a more integrated and versatile force capable of handling diverse military operations.

The earlier years mentioned in the other options, such as 1919 and 1921, did not witness the formal establishment of the FMF; instead, these dates reflect significant developments in the Marine Corps’ evolution, including the transition toward modern warfare capabilities. Meanwhile, the year 1941, while historically important due to its proximity to World War II, does not signify the formation of the Fleet Marine Force itself but rather a period when the existing structure was further tested in combat situations.