At Gettysburg, cavalry primarily played the role of Flanking movements and reconnaissance.

Cavalry units played a vital role in collecting intelligence about enemy locations and movements, which was essential for making strategic decisions. They participated in skirmishes to hinder Confederate advances and safeguard Union flanks. A key example is General John Buford's cavalry, which significantly contributed on the first day by delaying Confederate forces until the infantry could set up defensive positions. This strategic use of cavalry for reconnaissance and tactical adaptability was crucial in influencing the dynamics of the battlefield and bolstering the overall Union strategy.