Pleasonton had but recently been relieved, and many of his
staff-officers were still on duty at the headquarters awaiting the
arrival of the permanent commander. I resolved to retain the most of
these officers on my staff, and although they were all unknown to me
when I decided on this course, yet I never had reason to regret it,
nor to question the selections made by my predecessor.

The corps consisted of three cavalry divisions and twelve batteries
of horse artillery. Brigadier-General A. T. A. Torbert was in
command of the First Division, which was composed of three brigades;
Brigadier-General D. McM. Gregg, of the Second, consisting of two
brigades; and Brigadier-General J. H. Wilson was afterward assigned
to command the Third, also comprising two brigades: Captain Robinson,
a veteran soldier of the Mexican war, was chief of artillery, and as
such had a general supervision of that arm, though the batteries,
either as units or in sections, were assigned to the different
divisions in campaign.

Each one of my division commanders was a soldier by profession.
Torbert graduated from the Military Academy in 1855, and was
commissioned in the infantry, in which arm he saw much service on the
frontier, in Florida, and on the Utah expedition. At the beginning
of hostilities in April, 1861, he was made a colonel of New Jersey
volunteers, and from that position was promoted in the fall of 1862
to be a brigadier-general, thereafter commanding a brigade of
infantry in the Army of the Potomac till, in the redistribution of
generals, after Grant came to the East, he was assigned to the First
Cavalry Division.

Gregg graduated in 1855 also, and was appointed to the First