The Union troops utilized Artillery fire effectively to defend against Pickett's Charge.

On July 3, 1863, as Confederate troops moved across the open fields toward Cemetery Ridge, Union artillery stationed along the ridge opened fire with devastating effect. This concentrated bombardment disrupted the Confederate advance and caused significant casualties among their ranks. The impact of this artillery support was vital in thwarting the charge, which sought to breach the Union line. The synergy of robust defensive positions and effective artillery fire was instrumental in the Union's successful defense during this pivotal moment.