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On this day – April 17

Posted on April 17, 2025March 26, 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 2018

One milestone event (5 to 65+ years ago)

Human Spaceflight:

1968 – MM X-24A flight 1, Dryden Lake – Pilot Jerauld Gentry – first flight of the X-24A

1970 – SPLASHDOWN: Apollo 13 splashes down, South Pacific, USS Iwo Jima; failure review board immediately convened.  – MILESTONE: 55 years ago

1993 – LANDING: STS-56 (Discovery), KSC

1998 – LAUNCH: STS-90 (Columbia), LC39A, KSC – 7 person crew, Spacelab/Neurolab (last flight of laboratory). Crew: Richard Searfoss, Scott Altman, Richard Linnehan, Kathryn Hire, Dafydd Williams (Canadian Space Agency), Jay Buckey, James Pawelczyk 

Military and Classified Programs:

1963 – Thiokol, Aerojet-General and Lockheed Propulsion selected by DoD to develop large-scale solid rocket motors (program 623A)

1968 – LAUNCH: Classified mission, MM Titan IIIB, SLC4W, VAFB

1984 – LAUNCH: Classified mission, MM Titan 24B, SCL4W, VAFB 

2018 – LM submits proposal for GPS IIIF program

Exploration and Interplanetary Programs:

1967 – LAUNCH: Surveyor 3, GD Atlas/Centaur D, LC36B, CCAFS

Earth-Monitoring and Civil Weather Satellite programs:

NONE

Commercial Programs:

NONE

Test, ICBM, FBM programs:

1963 – LAUNCH (3): Lockheed Polaris A2 SSBN608, ETR

Other:

NONE

The photos today are from the STS-90 mission in 1998 and include the launch, the crew, and the Neurolab set-up in the cargo bay.   Photo Credits: NASA. 

April 17 – Launch of STS-90. Photo Credit: NASA.
April 17 – STS-90 CREW PORTRAIT. FRONT (L-R) SCOTT D. ALTMAN, PILOT; RICHARD A. SEARFOSS, COMMANDER; STANDING (L-R): JAMES A. PAWELECZYK; RICHARD M. LINNEHAN, KATHRYN P. HIRE; DAFYDD, R. WILLIAMS; JAY C. BUCKEY. Photo Credit: NASA.
April 17 – Neurolab setup in the cargo bay on STS-90. Photo Credit: NASA.
On This Day

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