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On this day – February 7

Posted on February 7, 2025January 25, 2025 By Barb Sande

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

The earliest event was in 1957, the latest event was in 2008

One milestone event (5 to 65+ years ago)

Human Spaceflight:

1984 – MM MMU tested in EVA on STS-41-B flight (Bruce McCandless) 

2001 – LAUNCH: STS-98 (Atlantis), LC39A, KSC – 5 person crew, ISS assembly operations (Discovery laboratory installation).  Crew: Kenneth Cockrell, Mark Polansky, Robert Curbeam, Marsha Ivins, Thomas Jones. 

2008 – LAUNCH: STS-122 (Atlantis), LC39A, KSC – 7 person crew, ISS Columbus science module and logistics.  Crew: Stephen Frick, Alan Poindexter, Leland Melvin, Rex Walheim, Hans Schlegel (ESA – Germany), Stanley Love, Léopold Eyharts (ESA, France – to ISS)/Daniel Tani (from ISS). 

Military and Classified Programs:

1980 – LAUNCH: Classified mission, MM Titan IIID, SLC4E, VAFB – MILESTONE: 45 years ago

1994 – LAUNCH: Lockheed Milstar 1-01, MM Titan IVA (401)/GD Centaur, LC40, CCAFS 

Exploration and Interplanetary Programs:

1999 – LAUNCH: LM Stardust, Delta 7426-9.5, LC17A, CCAFS – mission to retrieve comet and interstellar dust and return to earth 

Earth-Monitoring and Civil Weather Satellite programs:

NONE

Commercial Programs:

NONE

Test, ICBM, FBM programs:

1957 – LAUNCH: Lockheed X-17, LC3, CCAFS

1958 – LAUNCH FAILURE: GD Atlas A, LC14, CCAFS 

1963 – LAUNCH: Lockheed Polaris A3, LC29A, CCAFS

1983 – LAUNCH (2): Lockheed Trident C-4, SSBN640, ETR

Other:

1957 – ARPA (Advanced Research Projects Agency) established

The photos today are from three missions:  

First, astronaut Bruce McCandless II flies the MMU on the STS-41-B mission in 1984. Photo Credit: NASA. 

Here are some specifications for the MMU:

Size – 49 in high x 33 in wide x 48 in deep

Weight- About 782 lbs including astronaut, 338 lbs MMU backpack and 258 lbs Extravehicular Mobility Unit (EMU) spacesuit

Propulsion – Total of 24 thrusters with 1.7 lbs thrust each and 2 tanks pressurized with 3000 psi nitrogen

Maneuverability— astronaut right hand controller – pitch, yaw and roll; astronaut left hand controller – x, y & z translation

Operational Speed- 1/3-1 mph (top speed approximately 40 mph)

Second, there is a photo of the Stardust launch in 1999 and the spacecraft in processing prior to encapsulation.  Photo Credits: NASA/JPL. 

Third, there is a photo of the first Titan IV-A/Centaur (401) vehicle launching the first Milstar 1-01 spacecraft in 1994.  Photo Credit: Found in National Archives, unrestricted release (DoD source file). 

February 7 – Bruce McCandless tests the MMU on the STS-41-B mission. Photo Credit: NASA.
February 7 – Launch of Stardust on Delta II. Photo Credit: NASA/JPL.
February 7 – The first Titan IV/Centaur Space Launch vehicle lifts off in a successful launch from complex 40 at 1647 eastern standard time. The Titan/Centaur is delivering the first Milstar Communications Satellite into orbit. Photo Credit: See Text.
On This Day

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