Early service When the Civil War began, Turner was 1st lieutenant and was quickly promoted to captain. He served on the staff of
David Hunter, first in Kansas, then in the Department of the South, where he rendered valuable services at the
battle of Fort Pulaski.
Charleston On June 13, 1863, Turner was appointed chief of staff in the Department of the South under
Quincy A. Gillmore. He participated in the operations against
Charleston, South Carolina in 1863. On September 6, 1863, Turner was awarded a brevet promotion to Major, U.S. Army for his service at
Battery Wagner. The following day, he was appointed brigadier general of U.S. Volunteers.
Petersburg In May 1864, Gillmore's X Corps was transferred to the Petersburg front, and Turner continued as chief of staff through the
Bermuda Hundred campaign. On June 22, 1864, he received his first infantry command of the war at the head of the 2nd Division, X Corps. Turner and his division participated in the
siege of Petersburg, primarily north of the
James River. Although held in reserve at the
Battle of the Crater, Turner was nonetheless given a brevet promotion to lieutenant colonel, U.S. Army. of reinforcements from the
recently victorious Army of the Shenandoah. Despite its name, Turner's Independent Division was attached to the newly created
XXIV Corps under
John Gibbon. At the end of the Petersburg Campaign, Gibbon's corps was assigned the task of assaulting Forts Gregg and Whitworth. Turner's division was split between the two forts, sending one brigade against the lesser Fort Whitworth, while the other two joined
Robert S. Foster in the main thrust against Fort Gregg. With the fall of Petersburg, Turner participated in the forced march to Appomattox Courthouse, where he and other troops of the
Army of the James directly intercepted
Robert E. Lee and the
Army of Northern Virginia. Turner was given brevet promotions to colonel, brigadier general and major general in the U.S. Army for services at Petersburg. ==Later and personal life==