 The 22nd spent the next day, December 15, in the city of Fredericksburg, hearing rumors that Burnside intended to personally lead another assault on the heights.But no attack materialized, night came, and the V Corps crossed the pontoon bridges back to Falmouth, with the 22nd acting as rear guard.During the battle of Frederickburg, the 22nd lost 12 killed and 42 wounded, roughly 28 percent casualties.