Transferring to the infantry, he commanded a brigade in the Army of the Potomac until June 27, 1862.

He commanded his battery in the Army of Northern Virginia.

After the Bourbon Restoration he commanded a division in the Army of Paris.

Since it commanded all the combat forces in the Army its secure meeting facilities were top-notch but the press hardly noticed it.

Though still a colonel he was assigned to command the 6th Division in the Army of the Tennessee.

After commanding the entire cavalry division in the Army of the Tennessee, he was made brigadier general in early 1864.

He commanded a brigade in the Army of the James between March 28, 1864 and May 17, 1864.

Totten commanded the 2nd Division in the Army of the Frontier in 1862.

In early 1796, he commanded a brigade in the Army of the Upper Rhine.

Before long Crook was assigned to command an infantry brigade in the Army of the Cumberland.