ASI

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Accelerometer Albert Einstein Alphonsus Alvan Clark Ambient Light Sensor André Michaux Annalen der Physik Anne Stuart Arianespace Artemis II ASI AsiaSat 3S Atlas-Agena AVUM Baikonur Baikonur Cosmodrome Beatrice Shilling Bitstring Status List v1.0 Boeing BOLT-2 Breeze-M BurstCube C. Gordon Fullerton Cape Canaveral Cape Canaveral Air Force Station Cassini Cerro Pachón César Lattes Columbia Controlled Identifiers v1.0 COSE CRS-30 CSS Lists and Counters Module Level 3 CSS Namespaces Module Level 3 CSS Shapes Module Level 1 CSS Speech Module CSS Writing Modes Level 3 Data Integrity ECDSA Cryptosuites v1.0 Data Integrity EdDSA Cryptosuites v1.0 Delta II Dragon Drew Feustel Dumsat EchoStar XIV Edward C. Kendall Elise Deroche Emory Chaffee ESRO Europe’s Spaceport European Space Research Organisation Expedition 1 Expedition 55 Expedition 56 Falcon 9 Faroe Islands Fregat French Guiana Gemini South Generic Sensor API George A. Olah George Chrystal George K. Batchelor Global Positioning System Goodrich Acheson GPS IIR-11 Gregorio Y. Zara Gyroscope H. Aiken Herbert Kroemer High Energy Solar Spectroscopic Imager Hulusi Behçet Imaging Science Subsystem Ingenuity Input Events Level 2 International Launch Services ISO 14001 ISO 22095-2 ISO 22095-3 ISO 45001 ISO 9001 ISO/TR 8344 Jack R. Lousma James Dewar James Mason Crafts Jan Ernst Matzeliger Johannes Kepler John Elder John Fothergill JOSE Joseph Gall Josephine Cochrane JPL Julius Kahn Karl Ferdinand von Gräfe Karl von Goebel Kennedy Kennedy Space Center L4 Lagrange point Launch Pad 39B Leonardo Libby Riddles Long March-8 Magnetometer Manifest for Web Application Marina Vasilevskaya Mariner G Mars 1 Martin Davis MDIS Mercury MESSENGER Microsoft Mid-Atlantic Regional Spaceport Mir NASA NASA Planetary Data System National Reconnaissance Office NROL-123 Oleg Artemyev Oleg Novitskiy

March 21 in Universe History: Space Missions, Satellites and Exploration

March 21, 2026
1999 On 21 March 1999, an International Launch Services Proton rocket lifted off from Baikonur and carried the AsiaSat 3S commercial communications satellite into geosynchronous transfer orbit, demonstrating late-1990s heavy-lift commercial launch operations and enabling additional regional telecom capacity after on-orbit raising, testing, and handover to the satellite operator.
2019 On 21 March 2019 local time in French Guiana, Arianespace launched Vega from Europe’s Spaceport, delivering ASI’s PRISMA satellite to a sun-synchronous orbit. The AVUM stage performed two burns for injection and then executed a disposal burn for reentry, enabling hyperspectral imaging for environmental monitoring, agriculture, and pollution tracking.
2024 On 21 March 2024, CRS-30’s Dragon cargo spacecraft launched on a Falcon 9 toward the International Space Station, starting phasing burns for a planned docking and carrying science, supplies, and hardware. The flight showed how routine resupply missions sustain experiments, crew provisions, and ongoing maintenance for the orbiting laboratory.
2024 On 21 March 2024, the Soyuz 71S launch from Baikonur was scrubbed on the pad. NASA stated that astronaut Tracy Dyson, cosmonaut Oleg Novitskiy, and participant Marina Vasilevskaya were safe along with the spacecraft, showing how late scrubs can delay crew rotations and require fast replanning of station timelines and vehicle traffic.
All names in this article
Alphonsus Arianespace AsiaSat 3S Atlas-Agena AVUM Baikonur BOLT-2 BurstCube Cape Canaveral Cassini CRS-30 Dragon Drew Feustel Europe’s Spaceport Expedition 1 Expedition 55 Expedition 56 Falcon 9 French Guiana High Energy Solar Spectroscopic Imager Imaging Science Subsystem Ingenuity International Launch Services JPL Kennedy L4 Lagrange point Leonardo Marina Vasilevskaya Mars 1 MDIS Mercury MESSENGER Mid-Atlantic Regional Spaceport NASA Planetary Data System National Reconnaissance Office NROL-123 Oleg Artemyev Oleg Novitskiy OneWeb PDS4 Standards Reference Perseverance PRISMA Proton Ranger 9 Ricky Arnold Rocket Lab Electron Saturn Soyuz Flight ST28 Soyuz MS-08 SpaceX SPICE Starsem Terrier-Improved Malemute Titan Tracy Dyson Vega Wallops Wallops Island Asia Europe Russia Air Force Research Laboratory Earth Io Mars Moon Sun International Space Station Space Shuttle Discovery STS-102