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On this day – September 17

Posted on This article was published on September 17, 2025August 23, 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 2014

One milestone event (5 to 65+ years ago)

Human Spaceflight:

NONE

Military and Classified Programs:

1961 – LAUNCH: Lockheed Discoverer 31, Thor/Lockheed Agena B, SLC2E, VAFB

1962 – LAUNCH: Lockheed Corona 51, Thor/Lockheed Agena B, SLC1W, VAFB

2014 – LAUNCH: USA-257 (CLIO), ULA Atlas V 401, LC41, CCAFS 

Exploration and Interplanetary Programs:

NONE

Earth-Monitoring and Civil Weather Satellite programs:

1986 – LAUNCH: GE (RCA) NOAA 10 (G), GD Atlas E, SLC3W, VAFB

Commercial Programs:

NONE

Test, ICBM, FBM programs:

1959 – LAUNCH FAILURE: GD Atlas D, LC13, CCAFS

1960 – LAUNCH: GD Atlas D, LC11, CCAFS – MILESTONE: 65 years ago

1963 – LAUNCH: MM Titan I, 396-A2, VAFB

1969 – LAUNCH: Lockheed Poseidon C3, LC25D, CCAFS 

1986 – LAUNCH (2): Lockheed Trident C4, SSBN632, ETR

1991 – LAUNCH: MM Peacekeeper, LF02, VAFB

1997 – LAUNCH: LM Peacekeeper, LF05, VAFB

Other:

None

The photo today is of the launch of USA-257 (CLIO) by Atlas V in 2014.  The launch time (GMT) was on September 17.  Here is the caption for the photo, which was found on the ULA Flickr repository of photos:

A United Launch Alliance (ULA) Atlas V rocket lifts off with the CLIO mission for Lockheed Martin Space Systems Company from Space Launch Complex-41 at Cape Canaveral Air Force Station, Florida, on Sept. 16, 2014. Photo credit: United Launch Alliance.  Copyright © United Launch Alliance, all rights reserved.  This photo is being used for non-commercial and historical purposes for retirees of ULA and LM.

September 17 – Launch of USA-257 on Atlas V in 2013. See text for photo credits.
On This Day

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