 The information confirmed that Confederate General Robert E. Lee had turned his attention to the Union Army of Virginia—headed by Maj. Gen. John Pope—and allowed Pope to shift his forces to meet the new threat.At the Second Battle of Bull Run (August 28-30, 1862), the regiment saw its first large-scale action.On the afternoon of the 29th, the Second Maryland, as part of James Nagle's brigade in Burnside's IX Corps, assaulted troops under the command of Confederate General T. J.