Space history on July 21
18 events
Discoverer 27 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Discoverer 27
Thor Agena B launched on the Discoverer 27 flight from Vandenberg AFB, California, pad 75-3-4. Launch failure.
- 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.
CORONA 46/9039 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: CORONA 46/9039
Thor Agena B launched on the CORONA 46/9039 flight from Vandenberg AFB, California, pad 75-3-5. Launch vehicle success.
- 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.
Zenit-4 No. 33 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Zenit-4 No. 33
Voskhod 11A57 launched on the Zenit-4 No. 33 flight from NIIP-5, Baykonur, Kazakstan, pad LC31. Launch failure.
- 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.
Neil Armstrong takes the first lunar step
Category: Human Spaceflight ActivitiesType: Surface excursion
Armstrong stepped onto the Moon at about 02:56 UTC.
- NASA — mission history (opens in a new tab) — Factual summary; source attribution retained.
Zenit-4 No. 75 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Zenit-4 No. 75
Voskhod 11A57 launched on the Zenit-4 No. 75 flight from 53-y Nauchno-Issledovatelskiy Ispitatelniy Poligon, pad LC43/4. Launch failure.
- 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.
Mars-4 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Mars-4
Mars 4, also known as 3MS No.52S was a Soviet spacecraft intended to explore Mars.
- 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.
- Wikipedia — Mars 4 (opens in a new tab) — Adapted from Wikipedia contributors; selected sentences retained and edited for length, reference markers and pronunciation glosses. CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/ Article and edit history: https://en.wikipedia.org/wiki/Mars_4
- Timeline of Space Exploration Missions 1957 to 2031 (opens in a new tab)
- NASA — Mars 4 (opens in a new tab)
- NASA NSSDCA — Mars 4 (opens in a new tab)
Kosmos-842 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Kosmos-842
Kosmos 11K65M launched on the Kosmos-842 flight from 53-y Nauchno-Issledovatelskiy Ispitatelniy Poligon, pad LC132/1. Launch vehicle success.
- 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.
Kosmos-843 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Kosmos-843
Tsiklon-2 launched on the Kosmos-843 flight from NIIP-5, Baykonur, Kazakstan, pad LC90. Launch vehicle success.
- 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.
Kosmos-1388/1395 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Kosmos-1388/1395
Kosmos 11K65M launched on the Kosmos-1388/1395 flight from 53-y Nauchno-Issledovatelskiy Ispitatelniy Poligon, pad LC132/2. Launch vehicle success.
- 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.
Molniya-1 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Molniya-1
Molniya 8K78M (ML) launched on the Molniya-1 flight from NIIP-5, Baykonur, Kazakstan, pad LC1. Launch vehicle success.
- 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.
Insat 1C/ECS 5 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Insat 1C/ECS 5
Ariane 3 launched on the Insat 1C/ECS 5 flight from Centre Spatial Guyanais, Kourou, Guyane Francaise, pad ELA1. Launch vehicle success.
- 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.
Apstar 1 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Apstar 1
Chang Zheng 3 launched on the Apstar 1 flight from Xichang Space Center (Songlin), Sichuan, China, pad LC3?. Launch vehicle success.
- 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.
Kosmos-2422 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Kosmos-2422
Molniya 8K78M (2BL) launched on the Kosmos-2422 flight from 1-y Gosudarstvenniy Ispitatelniy Kosmodrom MO RF, pad LC16/2. Launch vehicle success.
- 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.
Kosmos-2454/Sterkh — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Kosmos-2454/Sterkh
Kosmos 11K65M launched on the Kosmos-2454/Sterkh flight from 1-y Gosudarstvenniy Ispitatelniy Kosmodrom MO RF, pad LC132/1. Launch vehicle success.
- 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.
HTV-3 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: HTV-3
H-IIB launched on the HTV-3 flight from Tanegashima Space Center, Tanegashima, Nippon, pad Y2. Launch vehicle success.
- 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.
Nauka — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Nauka
Proton-M (1) launched on the Nauka flight from GIK-5, Baykonur, Kazakstan, pad LC200/39. Launch vehicle success.
- 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.
Starlink-411 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: Starlink-411
Falcon 9 (FT5) launched on the Starlink-411 flight from South Base, Vandenberg Space Force Base, California, pad SLC4E. Launch vehicle success.
- 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.
MRV-1/MEP-1/2/3 — launch
Category: Launches and Flight TestsType: Orbital launch
Mission: MRV-1/MEP-1/2/3
Falcon 9 (FT5) launched on the MRV-1/MEP-1/2/3 flight from Cape Canaveral Air Station, Florida, pad LC40. Launch vehicle success.
- 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.