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On this day – May 4

Posted on May 4, 2025April 8, 2025 By Barb Sande

The events on this day in history for our heritage companies are noted below.

The earliest event was in 1959, the latest event was in 2012

No milestone events (5 to 65+ years ago)

Human Spaceflight:

1989 – LAUNCH: STS-30 (Atlantis), LC39B, KSC – 5 person crew, deployed MM Magellan spacecraft (Venus radar mapper). Crew: David Walker, Ronald Grabe, Mark Lee, Norman Thagard, Mary Cleave. 

Military and Classified Programs:

2012 – LAUNCH: LM AEHF-2, ULA Atlas V 531, LC41, CCAFS

Exploration and Interplanetary Programs:

1967 – LAUNCH: Lunar Orbiter 4, GD Atlas SLV-3/Lockheed Agena D, LC13, CCAFS

Earth-Monitoring and Civil Weather Satellite programs:

NONE

Commercial Programs:

1979 – LAUNCH: Fltsatcom-2, GD Atlas SLV-3D/Centaur, LC36A, CCAFS

2007 – LAUNCH: LM Astra 1L (also Galaxy 17), Ariane 5ECA, ELA3, Kourou, French Guiana

Test, ICBM, FBM programs:

1959 – LAUNCH: Martin Titan I, LC15, CCAFS

1962 – LAUNCH: Lockheed Polaris A2, LC25A, CCAFS

1962 – LAUNCH: MM Titan I, 395-A1, VAFB

Other:

NONE

The photos today are from the STS-30 mission in 1989, which deployed the Martin Marietta-built Magellan spacecraft to Venus.  Also included is a reprojection using stereo imaging of a radar image of a volcanic dome on Venus from Magellan.  Photo Credits: NASA. 

May 4 – Launch of STS-30. Photo Credit: NASA.
May 30 – Crew of STS-30 (see text for crew names). Photo Credit: NASA.
May 4 – Magellan is deployed from STS-30. Photo Credit: NASA.
May 4 – Magellan radar image of Venus. Photo Credit: NASA.
On This Day

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