Winfield Scott Edgerly 27, 1875. From May to September 1876, the 7th Cavalry, including Edgerly, participated in the Sioux Expedition. Edgerly was promoted to first lieutenant in the 7th Cavalry effective June 25, 1876. The regiment was engaged in the Battle of the Little Bighorn on June 26–27, 1876. Edgerly was the second in command of Company D, serving under Captain Thomas Weir; Company D was assigned to Captain Frederick Benteen's Battalion. Prior to the battle, Lieutenant Colonel George Armstrong Custer was discussing upcoming events with his junior officers; Edgerly expressed enthusiasm about the possibility of success; Custer replied that success depended on
George Armstrong Custer had written to Johnson some weeks before seeking such a commission. Custer and his wife stayed with the president during most of the trip. At one point Custer confronted a small group of Ohio men who repeatedly jeered Johnson, saying to them: "I was born two miles and a half from here, but I am ashamed of you." On July 28, 1866, Custer was appointed lieutenant colonel of the newly created 7th Cavalry Regiment, which was headquartered at Fort Riley, Kansas. He served on frontier duty at Fort Riley from October 18 to March 26, and scouted in Kansas and