What was the Navy's primary duty during the Mexican-American War?

The Navy's primary duty during the Mexican-American War was to conduct amphibious landings at Vera Cruz, Mexico. This operation was pivotal for the U.S. military strategy, as it involved a significant amphibious assault that ensured control over the crucial port city of Vera Cruz. Capturing Vera Cruz was essential for facilitating the march of inland forces toward Mexico City, thereby allowing American troops to establish an effective supply line and support their campaign.

The success of the amphibious operation at Vera Cruz demonstrated the Navy's capabilities in executing complex maritime assaults, a strategy that would influence future military operations. This operation represented a key moment in the war, showcasing the strategic importance of naval power in supporting land campaigns.