Tag Archives: space shuttle

Challenger Launches with Spacelab, and a Titan-IV Farewell

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Twenty-five years ago yesterday* — April 29, 1985 — the Space Shuttle Challenger lifted off from Kennedy Space Center on mission STS-51B.


(STS-51B launch. NASA image.)

Astronauts Robert F. Overmyer, Frederick D. Gregory, Don L. Lind, Norman E. Thagard, William E. Thornton, Lodewijk van den Berg and Taylor G. Wang launched the student-built Northern Utah Satellite (NUSAT-1) and spent a week in space with the European Space Agency’s Spacelab-3.

And on April 29, 2005 — 5 years ago yesterday — the last Titan-IV to be launched from Cape Canaveral Air Force Station blasted off with a classified National Reconnaissance Office satellite aboard. Titan rockets had been launching military and civil payloads for nearly five decades, and this launch left one final Titan-IV in the inventory, which launched from Vandenberg AFB in October 2005.

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*Apologies for the tardy space history entry. As Poppa says, I’m “a day late and a dollar short.”

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Two Space Anniversaries: a First for China, and Hubble Reaches Orbit

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Forty years ago today — April 24, 1970 — China joined the “space club” by launching its first satellite, appropriately named China-1. China was the fifth nation to launch its own satellite.

And 20 years ago — on this date in 1990 — the Space Shuttle Discovery launched from the Kennedy Space Center on mission STS-31 to deploy the Hubble Space Telescope.


(STS-31 mission patch. NASA image. Click to enlarge.)

The STS-31 crew consisted of astronauts Loren J. Shriver, Charles F. Bolden (the current NASA Administrator), Steven A. Hawley, Bruce McCandless and Kathryn D. Sullivan. The HST had more than its share of problems, given its blurred optics and the need to mount a repair mission, but its launch was still a momentous occasion for space science. It has brought us remarkable images year after year, more than I can count.


(Hubble Space Telescope deployment from STS-31. NASA image.)

It was momentous for yours truly, also: when it landed on April 29th at Edwards AFB, I was once again on duty as part of the AF Flight Test Center shuttle recovery team. It really doesn’t seem like so long ago, yet it seems like another lifetime ….

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Not Space Politics: a Politician in Space

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Twenty-five years ago today — April 12, 1985 — Space Shuttle Discovery, which is in space right now, lifted off from the Kennedy Space Center on mission STS-51D.


(STS-51D launch. NASA image.)

The Discovery crew consisted of astronauts Karol J. Bobko, Don E. Williams, Margaret Rhea Seddon, S. David Griggs, Jeffrey A. Hoffman, and Charles D. Walker, plus astronaut/Senator E. “Jake” Garn. Senator Garn was the first active member of Congress to fly into space, but he was uniquely qualified to do so, having been a Naval aviator and then a pilot in the Air Force Reserve.

They deployed two satellites, Telesat-1 (also known as Anik-C1) and Syncom-IV (also known as LEASAT-3), though the latter did not spin up properly and its boost motor failed to ignite. It was recovered and repaired on a later shuttle mission.

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Ultraviolet ENDEAVOUR

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Fifteen years ago today — March 2, 1995 — Space Shuttle Endeavour launched from the Kennedy Space Center on mission STS-67.


(Astro-2 telescope in the cargo bay during the STS-67 mission. Note the constellation Orion in the right side of the picture. NASA image from the University of Virginia web site.)

Astronauts Stephen S. Oswald, William G. Gregory, Tamara E. Jernigan, John M. Grunsfeld, Wendy B. Lawrence, Ronald A. Parise, and Samuel T. Durrance spent 16 days in orbit making observations with the Ultraviolet Astronomy 2 (Astro-2) Telescope, including the “first ultraviolet images of the entire Moon.”


(Astro-2 UV image of the moon, compared to a visible light image, from mission STS-67. NASA image from the University of Virginia web site.)

STS-67 was the longest shuttle mission to date, and also the

first advertised shuttle mission connected to the Internet. Users of more than 200,000 computers from 59 countries logged on to Astro-2 home page at Marshall Space Flight Center; more than 2.4 million requests were recorded during mission, many answered by crew on-orbit.

And now you can read about it … on the Internet.

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Atlantis in Orbit

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Twenty years ago, in 1990, the Space Shuttle Atlantis was in orbit on mission STS-36. It had launched on the Department of Defense mission on February 28, during a classified launch window.


(Plymouth Colony in Massachusetts, taken from Atlantis on STS-36. NASA image.)

Astronauts John O. Creighton, John H. Casper, David C. Hilmers, Richard M. Mullane, and Pierre J. Thuot deployed a classified payload shortly after reaching orbit, and landed at Edwards Air Force Base on March 4th.

(Personal note: We were still at Edwards AFB at the time, but I don’t remember if I saw that landing. I was not on the recovery team for it.)

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Valentine's Day Space History: Solar Max, and a Near-Earth Asteroid

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Thirty years ago today — February 14, 1980 — a Delta rocket out of Cape Canaveral launched the Solar Maximum Mission to study the Sun during the peak of the 11-year solar cycle.


(The SMM spacecraft in orbit. NASA image.)

The SMM satellite malfunctioned in January 1981, but in April 1984 it was recovered by the space shuttle Challenger and serviced in orbit. After it was released, it continued functioning until it reentered the Earth’s atmosphere in December 1989.


(The SMM satellite being repaired in the shuttle cargo bay. NASA image.)

And 10 years ago, on Valentine’s Day 2000, the NEAR spacecraft — Near Earth Asteroid Rendezvous, also known as “NEAR Shoemaker” in honor of astronomer Eugene Shoemaker — entered orbit around the asteroid Eros. NEAR studied Eros for a year before landing on the asteroid in February 2001.

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Japan Joins the Space Club, Endeavour Scans the Earth

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Forty years ago today — February 11, 1970 — Japan launched its first satellite, Ohsumi, from the Uchinoura Space Center. Ohsumi was a small technology demonstrator, with only a few instruments on board, but its success made Japan only the fourth nation (after the U.S.S.R, the U.S.A., and France) to successfully place a payload in orbit.

Thirty years later, in 2000, Japanese astronaut Mamoru Mohri launched into orbit aboard Space Shuttle Endeavour on mission STS-99, his second spaceflight. Mohri joined U.S. astronauts Kevin R. Kregel, Dominic L. Pudwill Gorie, Janet L. Kavandi, and Janice E. Voss, as well as Gerhard P. J. Thiele of Germany, on the Shuttle Radar Topography Mission (SRTM).


(SRTM in the shuttle cargo bay. NASA image.)

Over its 11-day mission, the SRTM mapped over 99% of the earth’s land area between 60 degrees N latitude and 56 degrees S latitude. The SRTM instrument consisted of a large radar array in the shuttle cargo bay and a smaller antenna mounted on an extendable mast: the mast, the longest rigid structure yet flown in space, placed the secondary antenna 200 feet (60 meters) outside the shuttle. The configuration caused an increase in fuel consumption as the shuttle had to “offset the gravity gradient torque of the mast,” but they were able to compensate and complete the mapping mission.

Endeavour is in orbit today on mission STS-130, its next-to-last mission to the International Space Station. Fare thee well.

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Shuttles and Deltas and Thors, Oh, My!

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Fifteen years ago today — February 3, 1995 — Space Shuttle Discovery launched from the Kennedy Space Center on mission STS-63. Astronauts James D. Wetherbee, Eileen M. Collins, C. Michael Foale, Janice E. Voss, and Bernard A. Harris, Jr., along with cosmonaut Vladimir Titov, completed a close-up flyby of Russia’s MIR space station.


(MIR space station as seen from mission STS-63. NASA image.)

STS-63 was the first time a shuttle approached and flew around space station MIR, as part of the preliminary phase of the International Space Station program. Also on this mission, Eileen Collins became the first female shuttle pilot.

Thirty years earlier, on February 3, 1965, Orbiting Solar Observatory 2 (OSO-2) was launched on a Delta rocket from Cape Canaveral. Finally, to complete today’s space history trifecta, in between the two — 40 years ago, in 1970 — a Thor-Agena rocket launched the second Space Electric Rocket Test (SERT-2) from Vandenberg AFB.*

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*Some sources say SERT-2 launched on February 4th, but I believe those are noting UTC rather than local time.

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DISCOVERY Launches on First DoD Shuttle Mission

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Twenty-five years ago today — January 24, 1985, the Space Shuttle Discovery launched from Kennedy Space Center on mission STS-51C.


(Launch of mission STS-51C. NASA image.)

The crew — Thomas K. Mattingly, Loren J. Shriver, Ellison S. Onizuka, James F. Buchli and Gary E. Payton — used an Air Force Inertial Upper Stage (IUS) booster to place a classified Department of Defense satellite in orbit, making this the first dedicated DoD mission.

Space enthusiasts will recognize some of those astronauts’ names. Many know that Ken Mattingly, for instance, was originally scheduled to fly on the Apollo-13 mission; he later flew as the Command Module pilot for Apollo-16 and the mission commander for STS-4, the fourth space shuttle orbital test flight. And many will recognize Ellison Onizuka as one of the astronauts who died in the Challenger explosion in 1986.

My personal connection to this flight, however, is Gary Payton. He’s been the Deputy Under Secretary of the Air Force for Space Programs since 2005, and I worked with him when I was writing speeches for the Under Secretary, Dr. Sega. I found Mr. Payton to be a terrific person, extremely smart and talented.

As I said in my retirement speech, if I couldn’t be an astronaut, at least I got to work with a few of them.

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Space History Just-in-Time Pickup: Shuttle Retrieves LDEF

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Twenty years ago today — January 11, 1990 — Space Shuttle Columbia retrieved the Long Duration Exposure Facility (LDEF) as one of the key objectives of mission STS-32.

(STS-32 mission patch. NASA image. Click to enlarge.)

Columbia had launched on January 9th from the Kennedy Space Center, carrying astronauts Daniel C. Brandenstein, James D. Wetherbee, Bonnie J.Dunbar, Marsha S. Ivins, and G. David Low. The astronauts deployed the defense communications satellite Syncom IV-5 shortly after achieving orbit, then maneuvered the shuttle for the rendezvous with the LDEF.


(Long Duration Exposure Facility at the end of the shuttle’s manipulator arm. NASA image from Wikimedia Commons.)

According to this LDEF archive site,

NASA’s Long Duration Exposure Facility (LDEF) was designed to provide long-term data on the space environment and its effects on space systems and operations….

LDEF had a nearly cylindrical structure, and its 57 experiments were mounted in 86 trays about its periphery and on the two ends. The spacecraft measured 30 feet by 14 feet and weighed ~21,500 pounds with mounted experiments, and remains one of the largest Shuttle-deployed payloads….

LDEF was deployed in orbit on April 7, 1984 by the Shuttle Challenger. The nearly circular orbit was at an altitude of 275 nautical miles and an inclination of 28.4 degrees…. LDEF remained in space for ~5.7 years and completed 32,422 Earth orbits…. It experienced one-half of a solar cycle, as it was deployed during a solar minimum and retrieved at a solar maximum.

And what made its recover “just-in-time” was the fact that it was about to fall from the sky.

… By the time LDEF was retrieved, its orbit had decayed to ~175 nautical miles and was a little more than one month away from reentering the Earth’s atmosphere.

Shuttle Columbia landed with the LDEF on January 20, 1990 at Edwards Air Force Base — where yours truly was again part of the USAF shuttle recovery team. Another good mission, another chance to dream.

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