Name: GPS 4 — launch
Start: 1978-12-11
Location: South Vandenberg AFB, California

Launch code: OS. Source references: JCM; -.

Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)

1978-02-22 GPS 1 — launch Shares a spacecraft, person or other linked entity
1978-05-13 GPS 2 — launch Shares a spacecraft, person or other linked entity
1978-10-07 GPS 3 — launch Shares a spacecraft, person or other linked entity
1978-02-25 OPS 6031 — launch Same organization: USAF Space and Missile Systems Organization
1977-12-11 OPS 4258 — launch Same organization: USAF Space and Missile Systems Organization
1978-03-16 HEXAGON SV14 — launch Same organization: USAF Space and Missile Systems Organization