Air Force Western Test Range (1964–1970)

The Air Force Western Test Range (AFWTR) was established on 15 May 1964. Initially organized as part of Air Force Systems Command's National Range Division, the Air Force Western Test Range managed all space and missile launches from the West Coast of the United States, which primarily were launched from Vandenberg Air Force Base. The AFWTR established a network of instrumentation sites along the California coast and in the Pacific islands to monitor ballistic missile and space launches in its region, although actual launches were conducted by the Space Systems Division's 6595th Aerospace Test Wing.^[8][9]

On 1 April 1970 the Air Force Western Test Range was inactivated, as the responsibility for managing the range was passed to the Space and Missile Systems Organization's Space and Missile Test Center.^[9]

Western Space and Missile Center (1979–1991)

In 1979 the Space and Missile Test Center was reorganized, becoming the Space and Missile Test Organization and the Air Force Western Test Range was reestablished on 1 October 1970 as the Western Space and Missile Center (WSMC), replacing the 6595th Aerospace Test Wing. Organized under the new center were the 6595th Aerospace Test Group, 6595th Test and Evaluation Group, and the 6595th Shuttle Test Group.^[9][1]

Initially designated as the 6595th Satellite Test Group, the 6595th Aerospace Test Group managed space launches from Vandenberg Air Force Base. The 6595th Test and Evaluation Group was initially designated as the 6595th Missile Test Group, performing missile tests for the LGM-118 Peacekeeper and LGM-30 Minuteman intercontinental ballistic missiles. Initially planned to serve as an alternate launch and landing location for the Space Shuttle, the 6595th Shuttle Group was intended to prepare facilities for its operations, before shuttle operations from Vandenberg AFB were canceled in 1987.^[8][1]

On 1 October 1979 the Space and Missile Test Organization was inactivated and the Western Space and Missile Center was directly subordinated to the Space Systems Division. A year later Air Force Systems Command began to transition the space launch mission to Air Force Space Command. On 1 October 1990 the Western Space and Missile Systems Center transferred to Air Force Space Command's 9th Space Division. Vandenberg Air Force Base had been a Strategic Air Command installation until 15 January 1991, when it became an Air Force Space Command base, with the Western Space and Missile Systems Center as the host organization. After the 9th Space Division was inactivated on 1 October 1991, the Western Space and Missile Systems Center directly reported to Air Force Space Command.^[9][1][8]

30th Space Wing (1991–2021)

On 19 November 1991, as part of a larger Air Force heritage initiative, the Western Space and Missile Center was redesignated as the 30th Space Wing (30 SW), with the 30th Operations Group assuming the lineage of the World War II-era 30th Bombardment Group (Heavy). The Western Test Range was also renamed as the Western Range, to emphasize its operational nature. On 1 July 1993 the 30th Space Wing was assigned to the newly-reactivated Fourteenth Air Force.^[8]

On 1 December 2003 the 30th Launch Group was activated to manage launch operations. On 20 July 2018 the 30th Launch Group was reemerged with the 30th Operations Group in an effort to streamline Air Force Space Command organizations.^[1][10]

On 20 December 2019 the 30th Space Wing, along with the rest of Air Force Space Command became part of the United States Space Force. The Fourteenth Air Force was redesignated as Space Operations Command, which the 30th Space Wing remained assigned to.^[11]

Space Launch Delta 30 (2021–present)

Upon the activation of Space Systems Command, the 30th Space Wing was transferred over from Space Operations Command and was renamed as Space Launch Delta 30.^[12][13]