David N. Miller

David N. Miller
Official portrait, 2024
Nickname(s)	Rock[1]
Born	c. 1971 (age 52–53) Newburgh, New York, U.S.
Allegiance	United States
Service / branch	United States Air Force United States Space Force
Years of service	1993–2021 (Air Force) 2021–present (Space Force)
Rank	Lieutenant General
Commands	Space Operations Command 460th Space Wing 21st Operations Group 2nd Range Operations Squadron
Battles / wars	Operation Inherent Resolve
Awards	Air Force Distinguished Service Medal Defense Superior Service Medal Legion of Merit (2)
Alma mater	Lafayette College (BA) Regis University (MBA)
David N. Miller's voice Miller's opening statement at a House Armed Services subcommittee hearing on the FY2024 missile budget request Recorded April 18, 2023

David N. Miller Jr. (born c. 1971) is a United States Space Force lieutenant general who has served as the commander of Space Operations Command. He previously served as the director of operations, training, and force development of the United States Space Command.

Miller is a native of Newburgh, New York. He was commissioned into the United States Air Force in 1993 after graduating from Lafayette College. He is a career missile and space operations officer who has commanded the 2nd Range Operations Squadron, 21st Operations Group, and 460th Space Wing. He also served as the senior military assistant to Secretary Barbara Barrett.

Miller led the reestablishment of the U.S. Space Command. He transferred into the Space Force in 2021 as a major general. In 2024, he was promoted to lieutenant general and became the second commander of Space Operations Command.