Shuttle Endeavour makes a piggyback stop in Houston

Houston, we have a space shuttle. The space shuttle Endeavour landed in Houston on Wednesday for a one-day stopover while en route to its new museum home in California.

Endeavour landed at Ellington Field while riding piggyback atop a modified Boeing 747 jumbo jet to end the first leg of its three-day journey to Los Angeles, where the retired space shuttle will ultimately be transformed into a museum exhibit at the California Science Center.

The shuttle is expected to arrive in California on Friday, but only after a cross-country farewell tour of sorts. Since NASA's 30-year space shuttle program retired last year, this is NASA's final space shuttle ferry flight across the United States.

Endeavour took off atop its carrier plane, called the Shuttle Carrier Aircraft, from NASA's Kennedy Space Center in Cape Canaveral, Fla., at about 7:22 a.m. ET. The shuttle-jet combo flew a victory lap over Florida's Space Coast before turning west for the trip to Houston.

"It is something. It's a sight to see," former astronaut Mark Kelly, who commanded Endeavour's last space mission in 2011, said in a NASA webcast. "It's an amazing feat to stick something that heavy, 195,000 pounds, on top of another airplane and fly it through the air." [Photos: Endeavour's Last Ferry Flight to California]

Kelly spoke from Tucson, Ariz., where he lives with wife, former U.S. Rep. Gabrielle Giffords. He said he hoped that the pilots ferrying Endeavour across the country would pass over Tucson on its way west this week. Kelly retired from NASA's astronaut corps and the U.S. Navy last year and hopes to watch Endeavour parade through the streets of Los Angeles next month on its way to the California Science Center.

Endeavour is NASA's youngest space shuttle and made its first flight in 1992. The shuttle was built as a replacement for Challenger, the orbiter that was destroyed in a tragic fatal accident just after launch in January 1986. During its spaceflight career, Endeavour launched on 25 missions and flew 122.8 million miles (197 million kilometers).

Endeavour's fond farewell
Hundreds of onlookers gave Endeavour a final farewell from the Kennedy Space Center, with thousands more watching the shuttle's departure across the Space Coast, NASA officials said. [How to Watch Endeavour's Last Ferry Flight]

The shuttle soared over NASA's Stennis Space Center in Mississippi (where shuttle engines were tested) and the Michoud Assembly Facility in New Orleans (which built the shuttle's external tanks) before arriving in Houston, the home of Johnson Space Center, which houses the agency's astronaut training and mission control centers.

In Houston, a crowd of onlookers were shown eagerly awaiting Endeavour's arrival while the U.S. national anthem and other patriotic songs blared over a loudspeaker.

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Endeavour and its carrier plane landed at Ellington Field, which NASA uses as a base for its T-38 astronaut training jets. The shuttle will stay for one day, resuming its trek to California on Thursday at about 7 a.m. CT (8 a.m. ET). The shuttle will make a refueling stop at Biggs Army Air Field in El Paso, and then head to NASA's Dryden Flight Research Center in Southern California to end its second day of travel. On the way, it is expected to pass over White Sands Test Facility near Las Cruces, N.M., a backup shuttle landing site.

Dryden officials will broadcast the shuttle's arrival live on NASA TV and in a NASA webcast. Endeavour and its carrier aircraft are expected to land at Dryden around midday.

Friday is L.A. arrival day for Endeavour.

Endeavour and its carrier aircraft will take off early in the morning, with Dryden broadcasting the departure live on NASA TV). The shuttle-jet combo is scheduled to fly north to perform flyovers above California's capital city, Sacramento, and later San Francisco, before returning south for a midday arrival at Los Angeles International Airport.

Space shuttles in museums
Endeavour is just the latest NASA space shuttle to head off toward a new museum home this year. NASA picked the four museums to receive its precious shuttles for public display in April 2011.

In April of this year, the Discovery orbiter — NASA's most traveled space shuttle — was delivered to the Smithsonian Air and Space Museum for display at the museum's Stephen F. Udvar-Hazy Center in Chantilly, Va.

In the months that followed, the space shuttle Enterprise, a prototype orbiter used for landing tests only, was delivered to New York City, where it is now on display at the Intrepid Sea, Air and Space Museum in Manhattan.

Endeavour's display at the California Science Center will open in October. The shuttle will be towed from Los Angeles International Airport to the science center during a two-day drive that will end on Oct. 13.

The space shuttle Atlantis will be displayed at the Kennedy Space Center Visitors Center. It is expected to be towed to the visitor center from the nearby Kennedy Space Center on Nov. 2. Its exhibit is scheduled to open in 2013, over the Fourth of July weekend.

NASA retired its space shuttle fleet in 2011 after 135 missions and 30 years of service. The space agency currently plans to rely on commercial spacecraft to ferry astronauts into and from low-Earth orbit as it develops new space vehicles and rockets for deep-space exploration.

Share your photos of the ferry flight with Space.com and its partner, CollectSpace.com! Send in your snapshots of Endeavour atop the Shuttle Carrier Aircraft to Space.com managing editor Tariq Malik at tmalik@space.com and CollectSpace.com at contact@collectspace.com.

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• NASA's Space Shuttle Museum Flights: Complete Coverage
• Endeavour's Final Take-Off: California Bound | Video
• Space Shuttle Endeavour Makes Final Ferry Flight from KSC (Photos)