Manassas Station Operations

Fighting at Bristoe Station, Kettle Run, Bull Run Bridge, and Union Mills together made up what became known as the Manassas Station Operations. These clashes unfolded between August 25 and 27, 1862, in Prince William County, Virginia, forming part of the Northern Virginia Campaign during the American Civil War.

Confederate Maj. Gen. Thomas J. "Stonewall" Jackson led his wing of the army around the right flank of Union Maj. Gen. John Pope by way of Thoroughfare Gap. On the evening of August 26, his troops hit the Orange & Alexandria Railroad at Bristoe Station, and by the time morning arrived on August 27, they had pushed on to seize and burn the enormous Union supply base at Manassas Junction. Pope found himself forced into a hasty withdrawal from his defensive position along the Rappahannock River as a result of this unexpected strike.

That same day, August 27, Jackson's men shattered a Union brigade stationed near Union Mills, also called Bull Run Bridge, causing several hundred casualties and fatally wounding Union Brig. Gen. George W. Taylor. Meanwhile, at Kettle Run, the Confederate division under Maj. Gen. Richard S. Ewell engaged in a sharp rearguard clash with the Union division commanded by Maj. Gen. Joseph Hooker, a fight that left roughly 600 men as casualties. Ewell managed to keep the Union troops at bay until nightfall. Once darkness fell, Jackson moved his divisions northward toward the Bull Run battlefield, settling his men into position along an unfinished railroad grade.

Background

By the middle of August 1862, Lee sought to disrupt the supply and communication routes of Pope's Union Army of Virginia, yet his offensive lost momentum after the fighting at the First Battle of Rappahannock Station. Aiming to break this deadlock, Lee dispatched Jackson, leading the army's Left Wing, on a march around the Union right flank. This route took Jackson through Thoroughfare Gap with the goal of severing the Orange and Alexandria Railroad and thereby cutting off Pope's supply line. Meanwhile, Longstreet's wing was tasked with keeping Pope occupied near the Rappahannock, planning to set out after Jackson once thirty six hours had passed. At three in the morning on August 25, Jackson set his troops in motion.

Union forces detected this movement roughly six hours later, around 9 a.m., though Pope mistakenly believed Jackson intended to head for the Shenandoah Valley. Because of this assumption, Pope shifted his focus toward Longstreet's troops, who spent the day making a show of force along the Rappahannock. Throughout these hours, Pope issued orders that conflicted with one another, leaving his army unable to launch the river crossing he had envisioned. Only after Union cavalry caught sight of Jackson emerging from Thoroughfare Gap did Pope withdraw his men from the riverbank and begin searching for Jackson's whereabouts.

Operations at Manassas Station

Late in the afternoon on the 26th, Jackson's column arrived at Bristoe Station on the Orange and Alexandria Railroad. There his men destroyed two trains and pulled up several miles of track. Learning of a Union supply depot several miles to the northeast at Manassas Junction, Jackson sent Isaac R. Trimble's brigade, backed by cavalry, to seize it. Marching through the night, Trimble's force struck the small Union garrison and swept it aside, seizing more than 300 prisoners and eight cannons while losing only four men of their own.

Word of this nighttime strike on Manassas Junction reached Pope, who responded by pushing several Union columns forward in hopes of trapping Jackson's wing. The Army of Virginia began marching northeast toward Manassas, and Pope directed troops stationed in Washington to head west by rail toward the same point. On the morning of August 27, the brigades under George W. Taylor and E. Parker Scammon set out. For his part, Jackson stationed Richard S. Ewell's division back at Bristoe's Station to guard against Union movement, while sending the divisions of A. P. Hill and William B. Taliaferro forward to strengthen Trimble's position.

Hill's men reached Manassas Junction just as the 2nd New York Heavy Artillery fell upon Trimble, but this assault was beaten back swiftly once Hill's troops joined the fight. Taylor's brigade then rolled in by train; not realizing his men were badly outnumbered, Taylor formed them for an assault. A storm of Confederate fire, particularly from the artillery, shattered his brigade and sent it fleeing in disorder, and Taylor himself fell with a mortal wound. Scammon's two regiments arrived in time to shield the retreating Union troops as a rear guard. By the fighting's end, Union casualties reached nearly 450, more than 200 of them taken prisoner, while Confederate losses stood at just twenty-five.

Farther west, Ewell positioned his division along Kettle Run to shield Jackson's r

Aftermath

Once Jackson realized Pope's army was in the vicinity, he chose to shift his men north toward the ground where the earlier engagement at Bull Run had unfolded, a position that would let him join forces with Longstreet or, if events demanded it, pull back further north to Aldie. He gave his men the chance to carry off whatever supplies they could manage, then had everything else put to the torch at midnight before marching the troops northward.

From a distance, Pope spotted the blazes at Manassas Junction, but he read them as a sign of Jackson's desperation rather than a calculated withdrawal. Acting on that assumption, he directed his corps to converge on Manassas from three directions: south, east, and north. He was aware that Longstreet's men were advancing north toward Thoroughfare Gap, yet he chose not to peel off any troops to slow that advance, trusting that his own forces could crush Jackson before Longstreet ever reached the field. Meanwhile, the setback suffered by Taylor's command led McClellan, who held command of the forces defending Washington, to withhold any additional troops from Pope unless those reinforcements came equipped with artillery and cavalry.