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On this day – March 29

Posted on March 29, 2025March 5, 2025 By Barb Sande

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

The earliest event was in 1960, the latest event was in 1978

One milestone event (5 to 65+ years ago)

Human Spaceflight:

1971 – MM X-24A flight 25, Dryden Lake – Pilot John Manke

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:

1960 – LAUNCH FAILURE: Lockheed Polaris A1, EAG-154, ETR – MILESTONE: 65 years ago

1965 – LAUNCH: Lockheed Polaris A3, SSBN636, ETR

1971 – LAUNCH: Lockheed Poseidon C3, SSBN631, ETR

1976 – LAUNCH: Lockheed Polaris A3, SSBN618, ETR

1978 – LAUNCH: Lockheed Poseidon C3, SSBN626, ETR 

Other:

NONE

The photo today is of the X-24A lifting body.  This first version had 28 flights and then was modified into the X-24B version.  Photo Credit: NASA

March 29 – X-24A lifting body. Photo Credit: NASA
On This Day

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