Major General George B. McClellan played only a limited role in his army's retreat as the Peninsula campaign was collapsing. At Glendale on June 30, 1862 he was aboard a gunboat on the James. He was only able to witness the Battle of Malvern Hill from a distance and directed none of it. He had already decided that he had to retreat back to Harrison's Landing, thus he failed to make good use of his army's victory at that battle.
As the Union's Peninsula campaign was in its early stages, General McClellan was certain that President Lincoln was hampering McClellan's war operations. Lincoln had stepped in and retained the corps under General McDowell to defend Washington DC. Lincoln believed this was a necessity.
The Peninsula campaign was the work of the Union's General in Chief, George B. McClellan. As general in chief, McClellan submitted a brilliant plan to catch the Confederates off guard and instead of attacking Richmond with a march due south from Washington DC, he convinced President Lincoln that time and distance could be saved by launching the attack against Richmond from the peninsula that lay east of Richmond. Lincoln finally agreed with the plan but as McClellan was proceeding, Lincoln thought it best to remove McClellan as general in chief so that he could focus all his attention on Richmond and not be distracted with other military operations.
General George B. McClellan's telegraph to Secretary of War Edwin Stanton on June 28, 1862 bordered on treason. When McClellan's telegraph was received by General Dix in Washington DC, Dix omitted McClellan's claim that the Lincoln administration purposely acted to create the Peninsula campaign as a failure.
An unusual act on the conduct of strategy by a commanding officer would be to allow for a vote among commanders reporting to the general in charge of a military operation. In the case of General George B. McClellan, he informed the secretary of war, Edwin Stanton that his officers unanimously voted to use Fort Monroe as the base of operations for the upcoming Peninsula campaign. McClellan informed Secretary of War Edwin Stanton in the middle of March 1862, that based on the votes of his officers, Fort Monroe would be this base for McClellan's march on Richmond.
On July 1, 1862, the Battle of Malvern Hill was fought in the Peninsula campaign. Confederate forces under General Robert E. Lee suffered a serious defeat against entrench Union troops. Union commanders under General McClellan urge a counterattack, however McClellan believes he needs to retreat rather than lose more troops.
Union General George B. McClellan had plans for General Totten in the 1862 Peninsula campaign. Late in March of 1862, McClellan had requested that General Totten be made available to build fortifications on the peninsula leading to Richmond. He was an experienced engineer. McClellan understood that the experience of the Army's chief engineer, Totten would be invaluable in this campaign.
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General McClellan believed he had good reasons for his ideas that Washington DC was set about to damage his plans for the Peninsula campaign. He resented his battle plans being questioned, having his army reorganized against his will, and to read in newspapers about his removal from the general in chief title he had. From that point on, he began his campaign of blaming Washington DC for his failures in the Peninsula campaign.
As the Union's Peninsula campaign was in its early stages, General McClellan was certain that President Lincoln was hampering McClellan's war operations. Lincoln had stepped in and retained the corps under General McDowell to defend Washington DC. Lincoln believed this was a necessity.
President Lincoln appointed Major General George B. McClellan to general in chief on November 1, 1861. He replaced the retiring General in Chief Winfield Scott. Lincoln relieved McClellan of his title on March 11, 1862. McClellan was not in Washington DC at this time. He was in the process of organizing the Peninsula campaign. It is written that Lincoln did not believe that McClellan could hold his position as general in chief and conduct the Peninsula campaign at the same time.
The failed Peninsula Campaign in July 1862 was frustrating for Lincoln. One result of this was Lincoln's appointment of General Halleck as general in chief. Halleck was thus appointed at this time to handle General George B. McClellan's problems.
A respected Union general, Erasmus D. Keyes, one of McClellan's corps commanders in the Peninsula campaign, sided with his commanding officer. He wrote that Lincoln's decision to take away McDowell's corps from the Peninsula campaign forced McClellan to now execute a plan that was different than the one originally agreed upon before the move to Fort Monroe.
General McClellan blamed President Lincoln for the Union disaster in the Peninsula campaign. On June 28, 1862, as he begins his retreat back to Harrison's Landing, he sent a telegraph to Lincoln, accusing him and Secretary of War Stanton of sabotaging his campaign. Lincoln returns the message that he will support McClellan, ignoring McClellan's hostility. Realizing the unstable military position of the North, Lincoln began to call for 300,000 new recruits from the Northern state governors.
A more cautious Confederate general was replaced by the more aggressive Robert E. Lee.
Because his Peninsula campaign had failed, and some of Lincoln's cabinet thought he might even be a Confederate spy.
On April 4, 1862, General McClellan decided that the best way to force the Confederates out of Yorktown, was to lay it to siege. This caused a serious delay in McClellan's advance westward towards Richmond.
Union General George Meade still believed that a "peninsula campaign" was the best way to assault Richmond. Meade did not press his ideas because of the 1862 failed Peninsula campaign of General George B. McClellan.