Graduates last in his class, 1861.

Assigned as second lieutenant, G Company, Second United States Cavalry.

Three days after leaving West Point reports for duty with General McDowell’s army, on the morning of the battle of Bull Run.

Soon detailed as aide-de-camp and assistant adjutant-general on the staff of General Philip Kearny.

Second lieutenant, Fifth United States Cavalry, 1862, under General Stoneman.

Serves briefly with the Topographical Engineers, 1862.

Appointed aide-de-camp on the staff of General McClellan, June, 1862, with rank of Captain.

After McClellan’s removal is appointed first lieutenant, Fifth Cavalry.

On waiting orders, at Monroe, winter of 1862–’63, woos and wins his future wife, Elizabeth Bacon.