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On this day – April 5

Posted on April 5, 2025March 17, 2025 By Barb Sande

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

The earliest event was in 1963, the latest event was in 2021. 

Two milestone events (5 to 65+ years ago)

Human Spaceflight:

1991 – LAUNCH: STS-37 (Atlantis), LC39B, KSC – 5 person crew, Deployed Compton Gamma Ray Observatory.  Crew: Steven Nagel, Kenneth Cameron, Linda Godwin, Jerry Ross, Jerome Apt.

2010 – LAUNCH: STS-131 (Discovery), LC39A, KSC – 7 person crew, ISS completion (logistics and maintenance).  Longest flight for Discovery. Crew: Alan Poindexter, James Dutton, Richard Mastracchio, Dorothy Metcalf-Lindenberg, Stephanie Wilson, Yaoko Yamazaki (JAXA), Clayton Anderson – MILESTONE: 15 years ago

Military and Classified Programs:

NONE

Exploration and Interplanetary Programs:

NONE

Earth-Monitoring and Civil Weather Satellite programs:

NONE

Commercial Programs:

NONE

Test, ICBM, FBM programs:

1963 – LAUNCH: MM Titan I, 395-A1, VAFB

1965 – Final GD Atlas E missile retired from operational inventory, Fairchild AFB – MILESTONE: 60 years ago 

1966 – LAUNCH: MM Titan II, 395-D, VAFB

1971 – LAUNCH: GD Atlas F, 576-A1, VAFB

Other:

2021 – LM completes a block buy of the ABL Space Systems small launch vehicle system.  UPDATE as of 2025:  ABL Space Systems has shifted from small launch vehicles to a missile defense line of products after limited success as a launch company.  I could not find any information about further investments from LM. 

The photos today are of the launch of STS-37, the crew and the deployment of the Compton Gamma Ray Observatory in 1991.  The Gamma Ray Observatory was one of the “great observatories” launched in the 1990s. It was built by TRW and was operational until the year 2000.  Photo Credits: NASA.

April 5- STS-37 ATLANTIS LIFTOFF, 4/5/1991. Photo Credit: NASA.
April 5 – Crew of STS-37 (see text for crew names). Photo Credit: NASA.
April 5 – Compton Gamma Ray Observatory deployment on STS-37. Photo Credit: NASA
On This Day

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