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On this day – June 25

Posted on June 25, 2025June 1, 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 2024

Four milestone events (5 to 65+ years ago)

Human Spaceflight:

1975 – MM X-24B flight 53, Dryden Lake – Pilot John Manke – MILESTONE: 50 years ago

1992 – LAUNCH: STS-50 (Columbia), LC39A, KSC – 7 person crew, Microgravity Laboratory.  Crew: Richard Richards, Ken Bowersox, Bonnie Dunbar, Ellen Baker, Carl Meade, Lawrence DiLucas, Eugene Trinh.

Military and Classified Programs:

1959 – LAUNCH FAILURE: Lockheed Discoverer 4, Thor/Lockheed Agena A, SLC1W, VAFB – Stage 2 underperformance

1965 – LAUNCH: Classified mission, GD Atlas SLV-3/Lockheed Agena D, SLC4E, VAFB – MILESTONE: 60 years ago

1970 – LAUNCH: Classified mission, MM Titan 23B, SLC4W, VAFB – MILESTONE: 55 years ago

1984- LAUNCH: Classified mission, MM Titan 34D, SLC4E, VAFB

Exploration and Interplanetary Programs:

NONE

Earth-Monitoring and Civil Weather Satellite programs:

2024 – LAUNCH: LM GOES-U (GOES-19), SpaceX Falcon Heavy, LC-39A, KSC

Commercial Programs:

1997 – LAUNCH: LM Intelsat 802, Ariane 44P, ELA2, Kourou, French Guiana

Test, ICBM, FBM programs:

1965 – Remaining GD Atlas E/F and MM Titan I operational squadrons deactivated, various AFB locations – MILESTONE: 60 years ago

2001 – LAUNCH (3): LM Trident II D5, SSBN743, ETR

Other:

NONE

The photos today are from two events.  

First, there are photos from the STS-50 mission in 1992.  They include the launch, the crew and two astronauts participating in a microgravity experiment.  Photo Credits: NASA. 

Second, there is a photo of the GOES-U launch in 2024 on SpaceX Falcon Heavy.  The photo was found on the NOAA website and has the following caption/credit:

NOAA’s GOES-U satellite launches aboard a Space X Falcon Heavy rocket from NASA’s Kennedy Space Center Launch Complex 39A at 5:26 p.m. EDT on June 25, 2024. (Image credit: Amber Jean Notvest/NASA)

June 25 – Launch of STS-50. Photo Credit: NASA.
June 25 – Crew of STS-50 (see text for crew names). Photo Credit: NASA.
Junes 25 – STS-50 crew participates in a microgravity experiment. Photo Credit: NASA.
June 25 – Launch of GOES-U on SpaceX Falcon Heavy in 2024. See text for caption and credits.
On This Day

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