 Her flotilla, previously under Army control, came under naval command October 1, 1862.Lieutenant Commander William R. Hoel USN took command of the Pittsburgh at this time.Highlights of her service were the operations against Plum Point Bend, Fort Pillow and Memphis in April, May and June 1862; the Steele's Bayou Expedition of March 1863; and the passing of the Vicksburg batteries April 16, 1863.