Name: HEXAGON SV11 — launch
Start: 1975-12-04
Location: South Vandenberg AFB, California

Launch code: OS. Source references: TLE; MM/Titan.

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)

1975-06-08 HEXAGON SV10 — launch Shares a spacecraft, person or other linked entity
1974-04-10 HEXAGON SV8 — launch Shares a spacecraft, person or other linked entity
1974-10-29 HEXAGON SV9 — launch Shares a spacecraft, person or other linked entity
1975-03-10 OPS 2439 — launch Same organization: USAF Space and Missile Systems Organization
1975-04-18 KH-8A — launch Same organization: USAF Space and Missile Systems Organization
1975-05-20 DSCS II 5/6 — launch Same organization: USAF Space and Missile Systems Organization