Name: Explorer 54 — launch
Start: 1975-10-06
Location: Vandenberg AFB, California

Launch code: OS. Source references: TR-1022; -.

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)

1975-01-22 Landsat 2 — launch Shares a spacecraft, person or other linked entity
1975-06-12 Nimbus 6 — launch Shares a spacecraft, person or other linked entity
1975-11-20 Explorer 55 — launch Shares a spacecraft, person or other linked entity
1975-02-06 SMS 2 — launch Same organization: NASA Goddard Space Flight Center
1975-04-09 Geos 3 — launch Same organization: NASA Goddard Space Flight Center
1975-05-07 Anik A3 — launch Same organization: NASA Goddard Space Flight Center