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The crew of the Space Shuttle Columbia for mission STS-107, in the first row, Pilot William "Willie" McCool (L) and Commander Rick Husband (R), second row are Mission Specialists Kalpana Chawla (left) and Laurel Clark (R) in the last row, Payload Specialist Ilan Ramon, Payload Commander Michael Anderson and Mission Specialist David Brown walk to the launch pad on January 16, 2003 at Kennedy Space Center at Cape Canaveral, Florida. Mission STS-107 is a 16-day scientific mission. Payload Specialist Ilan Ramon is the first Israeli astronaut. (Photo by NASA/Getty Images)

The left side of the Space Shuttle Columbia is seen during launch on January 16, 2003 at Kennedy Space Center at Cape Canaveral, Florida. Columbia Accident Investigation Board investigators say that a culture of low funding, strict scheduling and an eroded safety program at NASA doomed the flight of the space shuttle. (Photo by NASA/Getty Images)

Space Shuttle Columbia lifts off of launch pad 39-A from the Kennedy Space Center January 16, 2003 in Cape Canaveral, Florida. Columbia broke up upon re-entry to earth February 1, 2003. (Photo by Matt Stroshane/Getty Images)

The space shuttle Columbia blasts off of pad 39 A at the Kennedy Space Center in Cape Canaveral Jan. 16, 2003. NASA lost communication with space shuttle Columbia on Saturday, Feb. 1, 2003 as the ship soared over Texas several minutes before landing. (Pierre DuCharme/Lakeland Ledger)

The space shuttle Columbia begins her roll reversal during liftoff from the Kennedy Space Center on Jan. 16, 2003 in Cape Canaveral, Fla. NASA managers are looking into a report that a piece of external tank insulation fell off during liftoff hitting the left hand side of the orbiter. Columbia and her crew of seven were lost during re-entry over Texas, Saturday Feb. 1, 2003. (AP Photo/NASA)

In this image from television shuttle Columbia lifts off from the Kennedy Space Center in Florida, Jan. 16, 2003. At least three government investigations will probe the Columbia disaster and NASAs shuttle program director vowed to find the answers so America can continue sending people into space. (AP Photo/NASA TV)

Crowds gather at Jetty Park in Cape Canaveral, Fla., Friday morning, March 1, 2002, to watch as the space shuttle Columbia streaks across the sky after liftoff with a seven member crew that will overhaul the Hubble Space Telescope during the 11-day mission (AP Photo/Florida Today, Craig Rubadoux)

STS107-735-032 (16 January - 1 February 2003) --- The STS-107 crew members strike a "flying" pose for their traditional in-flight crew portrait in the SPACEHAB Research Double Module (RDM) aboard the Space Shuttle Columbia. From the left (bottom row), wearing red shirts to signify their shift's color, are astronauts Kalpana Chawla, mission specialist; Rick D. Husband, mission commander; Laurel B. Clark, mission specialist; and Ilan Ramon, payload specialist. From the left (top row), wearing blue shirts, are astronauts David M. Brown, mission specialist; William C. McCool, pilot; and Michael P. Anderson, payload commander. Ramon represents the Israeli Space Agency. EDITOR'S NOTE: On February 1, 2003, the seven crew members were lost with the Space Shuttle Columbia over North Texas. This picture was on a roll of unprocessed film later recovered by searchers from the debris.

This image released by NASA TV, Tuesday, June 24, 2003 shows William McCool aboard space shuttle Columbia during the mission in January 2003. . This image was recovered during search efforts since the loss of Columbia on Feb. 1, 2003. (AP Photo/NASA TV)

This image released by NASA TV, Tuesday, June 24, 2003 shows Kalpana Chawla on the space shuttle Columbia during the mission in January 2003. This image was recovered during search efforts since the loss of Columbia on Feb. 1, 2003. (AP Photo/NASA TV)

In this Jan. 2003 file photo, astronaut Rick D. Husband, mission commander of the space shuttle Columbia, is pictured on the aft flight deck. Husband and six crew members were lost when Columbia broke up during re-entry over north Texas on Feb. 1, 2003, . This picture was on a roll of unprocessed film recovered by searchers from the debris later, released by NASA on June 24, 2003. Ten years later, reminders of Columbia are everywhere, including up in the sky. Everything from asteroids, lunar craters and Martian hills, to schools, parks, streets and even an airport (Rick Husband Amarillo International Airport) bear the Columbia astronauts' names. Two years ago, a museum opened in Hemphill, Texas, where much of the Columbia wreckage rained down, dedicated to "remembering Columbia." About 84,000 pounds of that wreckage, representing 40 percent of NASA's oldest space shuttle, are stored at Kennedy and loaned for engineering research. (AP Photo/NASA)

In this image released by NASA TV, Tuesday, June 24, 2003 shows the crew of space shuttle Columbia posing for a group photo during their mission in January 2003. In front is Rick Husband, from left is Michael Anderson, William McCool, David M. Brown, Ilan Ramon, Laurel Clark and Kalpana Chawla. This image was recovered during search efforts since the loss of Columbia on Feb. 1, 2003. (AP Photo/NASA TV)

The space shuttle Columbia passes over the Owens Valley Radio Observatory north of Bishop, Calif., at 5:54 a.m. PST Saturday, morning, Feb. 1, 2003. Space shuttle Columbia disintegrated 39 miles over Texas on Saturday morning in a meteoric streak that rained smoking debris over hundreds of miles of countryside, killing all seven astronauts. The camera is pointed north, and the shuttle is passing from west to east, from the left to the right of the photo.. (AP Photo/Los Angeles Daily News, Gene Blevins)

This NASA handout image shows the Space Shuttle Columbia during reentry as it passes over the Starfire Optical Range at Kirkland Air Force Base, New Mexico on February 1, 2003. Shuttle crash investigators have scrutinized this image which some believe shows damage to the left wing of the shuttle. NASA Mission Control lost contact with the Space Shuttle Columbia during the reentry phase of mission STS-107 on February 1, 2003 and later learned that the shuttle had broken up over Texas. Debris from the wreckage drifted hundreds of miles from central Texas to Louisiana. All seven astronauts onboard the Shuttle died in the crash. (Photo by NASA/Getty Images)

Space shuttle Columbia disintegrates as it hurtles across North Texas, Saturday, Feb. 1, 2003, on its way to Florida. Free-lance photographer Robert McCullough, 61, captured this photograph from Flower Mound, Texas. (AP Photo/ROBERT McCULLOUGH/ COPYRIGHT 2003 THE DALLAS MORNING NEWS)

In this image from television, contrails from what appears to be the space shuttle Columbia can be seen streaking across the sky over Texas, Saturday, Feb. 1, 2003. Columbia apparently disintegrated in flames minutes before it was to land in Florida. (AP Photo/via KXAS-TV)

Debris from the space shuttle Columbia is shown falling in this image from a U.S. Army Apache helicopter military video released February 12, 2003. Two Dutch military pilots training out of Fort Hood, Texas shot the video of the shuttle breaking up in flight February 1 as it returned from an orbital mission. (Photo by Getty Images)

In this Feb. 1, 2003 file photo, debris from the space shuttle Columbia streaks across the sky over Tyler, Texas. The Columbia broke apart in flames 200,000 feet over Texas on Saturday, killing all seven astronauts just minutes before they were to glide to a landing in Florida. Ten years later, reminders of Columbia are everywhere, including up in the sky. Everything from asteroids, lunar craters and Martian hills, to schools, parks, streets and even an airport (Rick Husband Amarillo International Airport) bear the Columbia astronauts' names. Two years ago, a museum opened in Hemphill, Texas, where much of the Columbia wreckage rained down, dedicated to "remembering Columbia." About 84,000 pounds of that wreckage, representing 40 percent of NASA's oldest space shuttle, are stored at Kennedy and loaned for engineering research. (AP Photo/Scott Lieberman)

A memorial message for the Columbia astronauts and their families is seen on a sign at the First Baptist Church in Cocoa Beach, Fla., Saturday, Feb. 1, 2003. (AP Photo/Florida Today, Craig Rubadoux)

NASA security officers Bruce Forton and Mike Orr lower the U.S. flag and remove the flag for Space Shuttle Columbia February 1, 2003 at Kennedy Space Center in Florida. In the background is launch pad 39-A which Columbia used to lift into orbit. The shuttle broke into pieces and went down over Texas as it attempted to land. (Photo by Matt Stroshane / Getty Images)

Indians read newspapers carrying the news of the space shuttle Columbia disaster at a roadside library, in Bombay, India, Sunday, Feb. 2, 2003. Celebrations turned into mourning for relatives and friends of Kalpana Chawla, the first Indian-born woman in space, as the shuttle broke apart shortly before landing in the U.S., killing all the seven astronauts including Chawla. (AP Photo/ Rajesh Nirgude)

Texas state troopers stand guard over a suspected piece of debris from the space shuttle Columbia February 2, 2003 in Douglass, Texas. Officials combed the Texas countryside looking for pieces of the shuttle after Columbia broke apart 200,000 feet above Texas during its landing approach one day earlier. (Photo by Chris Hondros/Getty Images)

Dr. Mark Wilson of Harker Heights, Texas, points to the spot in the sky where he watched the space shuttle Columbia fall after an explosion destroyed the craft, killing all seven astronauts, Saturday, Feb. 1, 2003. Dr. Wilson said he thought he saw a comet, but was told by his wife that it was the shuttle. (AP Photo/Killeen Daily Herald, Steve Traynor)

A piece of what is believed to be debris from Columbia space shuttle's nose cone is found at east part of Hemphill, TX. The debris is wrapped in plastic. (The Denver Post/ Hyoung Chang)

Linda Tyndall of Melbourne, Florida sobs during the space shuttle Columbia astronauts memorial prayer service at Temple Beth Sholom while sitting with her husband Bob Tyndall and daughter Rebecca Tyndall on Sunday, February 2, 2003. The Tyndalls had met with Isreali astronaut Ilan Ramon at the temple before the ill fated flight. The Tyndalls had also taken exchange students they were hosting to see the launch of Columbia on January 16, 2003. CYRUS MCCRIMMON, The Denver Post

A pedestrian in Mexico City reads the headlines of local newspapers Sunday Feb. 2, 2003, the day after the space shuttle Columbia broke up over Texas, killing all seven astronauts on board.(AP Photo/Jose Luis Magana)

Adam Cole and his children Kate,10, back, and Kurth,12, embrace while looking at flowers placed at the sign outside the Johnson Space Center in Houston, in honor of the crew of the space shuttle Columbia Saturday, Feb. 1, 2003. The shuttle broke apart over Texas, killing all seven astronauts, minutes before their scheduled landing in Florida. (AP Photo/Houston Chronicle, D. Fahleson)

Rona Ramon, right, and Assaf Ramon, left, widow and eldest son of Israel's first astronaut Ilan Ramon pay their respects beside his coffin during a memorial service at Ben Gurion International Airport outside Tel Aviv Feb. 10, 2003. Ramon, a 48-year-old air force colonel, died with six other astronauts aboard NASA's Columbia space shuttle, which splintered in a bright ball of flame as it came down through the Earth's atmosphere on Feb. 1, 2003. Assaf wears his fathers NASA flight jacket. (AP Photo/ Paul Hanna, Pool)

An Israeli woman lights a candle while another one cries at the doorstep of late Israeli Air Force pilot Assaf Ramonís family house in Ramat Gan near Tel-Aviv, on September 14, 2009. Israel was in mourning following the death of the pilot son of the Jewish state's first and only astronaut, himself killed in the 2003 Columbia space shuttle disaster. Assaf Ramon, 21, died on September 13 when the F-16 fighter jet he was flying crashed in the southern hills of the occupied West Bank. YEHUDA RAIZNER/AFP/Getty Images

LYNDON B. JOHNSON SPACE CENTER HOUSTON, TEXAS James Watson, of Montgomery, Texas wipes away a tear as Eddie Langston (right) kisses his 6-year-old son Eric Langston as they listen via a television audio feed to the memorial service for space shuttle Columbia astronauts going on with President Bush inside the center on Tuesday, February 4, 2003. Bush was talking about the astronauts during this moment. CYRUS MCCRIMMON, The Denver Post

A group of volunteers look closely at a piece of possible debris from the space shuttle Columbia Sunday, Feb. 9, 2003, near Nacogdoches, Texas. (AP Photo/The Dallas Morning News, Richard Michael Pruitt)

An electronic highway sign on Interstate 35E just south of downtown Dallas, asks motorists to call the police if they find debris believed to be from the space shuttle Columbia, Sunday, Feb. 2, 2003. The shuttle tore to pieces Saturday 39 miles above Texas as the spaceship re-entered Earth's atmosphere, killing all seven astronauts. (AP Photo/Dallas Morning News, Louis Deluca)

Workers remove a piece of space shuttle Columbia's nose cone near Hemphill, Texas, Wednesday, Feb. 5, 2003. The discovery on Monday of one of the biggest and most recognizable pieces of Columbia, the nose cone, underscored how hard it will be to find the thousands of much-smaller bits of debris. The shuttle part, about 4 feet across, was discovered drilled into the ground in a deep thicket near Hemphill by two men who were scouring their land for debris. (AP Photo/Eric Gay)

Mourners visit the main gate of the Johnson Space Center bringing memorial items for the family and crew of space shuttle Columbia in Houston, Sunday, Feb. 2, 2003. Authorities used horses and satellite gear Sunday to search for more scorched pieces of space shuttle Columbia across the Texas and Louisiana countryside. (AP Photo/Charles Rex Arbogast)

Lois Martin looks over a piece of debris believed to be from the space shuttle Columbia Monday, Feb. 3, 2003, near Hemphill, Texas. (AP Photo/Fort Worth Star-Telegram, Ron T. Ennis)

Volunteers stand in a line less than 10 feet apart as they prepare to search a forest Monday, Feb. 3, 2003, outside Hemphill, Texas, where the body of a space shuttle Columbia astronaut was found over the weekend. (AP Photo/Dallas Morning News, Michael Mulvey)

President Bush and the families of the astronauts pray Tuesday, Feb. 4, 2003, at the NASA's Johnson Space Center, in Houston, during a memorial service for the seven astronauts who perished in the space shuttle Columbia disaster over the skies of Texas . President Bush and first lady Laura Bush sat with the families of Rick Husband, right, and William McCool, left. (AP Photo/Pablo Martinez-Monisvais)

Clear Brook High School students Alyssa Varsos, 14, left, and Julie Martin, 15, right, read a flag at the makeshift memorial after the space shuttle Columbia memorial service at the Johnson Space Center in Houston, Tuesday, Feb. 4, 2003. (AP Photo/Dallas Morning News, Irwin Thompson)

Members of the NASA STS-107 training team huddle together as they all cry at the end of the memorial service for the crew of the space shuttle Columbia Tuesday, Feb. 4, 2003, in Houston. The training team worked with the Columbia crew to prepare them for the flight. (AP Photo/Ed Sackett, Pool)

Young Mandy Brown, 5, and Spencer Isern, right, say a prayer for those lost on the Shuttle Columbia during a sunday morning church service at First Presbyterian Church in Amarillo, Texas, FEBRUARY 2, 2003. The entire service was dedicated to Space Shuttle Columbia's Astronaut and Commander Rick Douglas Husband, whose hometown was Amarillo. His wife Evelyn used to attend this church and her family still does. Husband often sang with the choir. Husband perished in the Columbia disaster early saturday morning. He leaves behind his wife Evelyn and two kids Laura and Matthew. The last time Husband was in Amarillo he spoke at First Presbyterian and talked about his lifelong dream of becoming an astronaut. The service replayed the speech in it's entirety making for an emotional and tearful service amongst the congregation, who all felt a deep sense of loss with the passing of Husband and the other six astronauts on board the Shuttle. HELEN H. RICHARDSON, The Denver Post

Ron Dittemore, space shuttle program manager, makes remarks while holding a model of the shuttle during a press conference, at the Johnson Space Center, Monday, Feb. 2, 2003, in Houston. While Columbia was still in orbit, NASAs best and brightest minds analyzed the potential damage done to its thermal tiles by a piece of debris during liftoff and concluded that the flight was in no danger, agency officials said Monday. (AP Photo/Rick Bowmer)

In this video image released by NASA at the Kennedy Space Center Monday, Feb. 3, 2003, at approximately 80-84 seconds after liftoff of Space Shuttle Columbia on Thursday, Jan. 16, 2003, a large piece of debris is observed striking the underside of the LH wing (left hand wing) of the orbiter. According to NASA the debris appears to originate from the area of the Y bipod attach point on the external tank. The Y bipod is what connects the external fuel tank to the space shuttle. NASA's immediate study of the image determined no damage to the orbier Thermal Protection System was apparent; further analysis is continuing. (AP Photo/NASA,ho)

A space shuttle Columbia reconstruction project team member inspects a piece of wreckage from the orbiter in a hangar at the Kennedy Space Center in Cape Canaveral, Fla. Wednesday April 2, 2003. (AP Photo/Peter Cosgrove)

Robert Salton, and his wife Harriet, make their way to their seats prior to a memorial service for his daughter, space shuttle Columbia astronaut Laurel Clark, at the First Unitarian Church in Albuquerque, N.M., Saturday, Feb. 22, 2003. Clark lived in Albuquerque for a brief period when she was a child. (AP Photo/Jake Schoellkopf)

George Edgar, center, points to debris believed to be from the space shuttle Columbia Sunday, Feb. 2, 2003, along Blossom Lane in Hemphill, Texas. (AP Photo/The Facts, Eric Lyle Kayne)

President Bush gets a briefing on the Space Shuttle Columbia disaster from NASA Administrator Sean O'Keefe, left, during a meeting in the Oval Office at the White House in Washington, Monday, Feb. 3, 2003. NASA is searching for answers to the cause of the accident that destroyed the homebound shuttle and killed its seven crew members. (AP Photo/J. Scott Applewhite)

Tommy Peltier of Houston and his daughter Alexis, 8, approach a large piece of debris from space shuttle Columbia that fell close to their family's home near San Augustine, Texas, Sunday, Feb. 2, 2003. After the shuttle broke up Saturday over eastern Texas, fragments of the shuttle were sent showering to the ground. (AP Photo/Eric Gay)

An Army National Guard member stands watch over pieces of debris from the space shuttle Columbia as a woman, who declined to be identified, and her daughter look on Sunday, Feb. 2, 2003, in Nacogdoches, Texas. (AP Photo/Dallas Morning News, Brad Loper)

A crew patch identifying all seven members aboard the space shuttle Columbia, from mission STS-107 is seen in this image from television, Sunday, Feb. 2, 2003 in San Augustine, Texas. Remnants of the space shuttle Columbia remained strewn across east Texas and Louisiana Sunday, as authorities probed possible causes for the tragedy that pierced a crystal blue sky and stung deeper into an already shaken sense of security. (AP Photo/KHOU-TV)

Kathy Kirsh, right, and her daughter Michelle Eggebrecht, from Seabrook, Texas, console each other outside the Lyndon B. Johnson Space Center in Clear Lake, Texas, Saturday, Feb.1, 2003. Hundreds of people came to the Johnson Space Center to leave flowers in remembrance of the crew of the space shuttle Columbia. Space shuttle Columbia broke apart in flames 200,000 feet over Texas on Saturday, killing all seven astronauts just minutes before they were to glide to a landing in Florida. (AP Photo/Dallas Morning News, Jim Mahoney)

Barbara Dellerson of Hermosa Beach, Calif., reacts after seeing fresh flowers on the memorial to Challenger shuttle astronaut Greg Jervis, also of Hermosa Beach, and his crew who were lost in the 1986 space shuttle explosion, Saturday, Feb. 1, 2003, in Hermosa Beach, Calif. Flowers were being placed at the memorial throughout the day in memory of the seven Columbia astronauts who perished when their shuttle disintegrated upon re-entry. (AP Photo/Rene Macura)

LYNDON B. JOHNSON SPACE CENTER HOUSTON, TEXAS 4-year-old Morgan Smith of Kingwood, Texas holds an American flag after the memorial service for space shuttle Columbia astronauts with President Bush inside the center on Tuesday, February 4, 2003. She was outside at the entrance gate. CYRUS MCCRIMMON, The denver Post

A part, believed to be from the space shuttle Columbia, is shown Sunday, Feb. 2, 2003, on the side of Highway 103 in San Augustine, Texas. (AP Photo/The Daily Texan, Alex Jones)

Astronauts aboard Columbia's Spacehab astronaut David Brown, Israeli astronaut Ilan Ramon, commander Rick Husband, astronaut Kalpana Chawla, pilot William McCool, astronaut Michael Anderson, and astronaut Laurel Clark, foreground from left, wave to a television camera in this view Jan. 20, 2003. NASA lost communication with space shuttle Columbia as the ship soared over Texas several minutes before landing Saturday morning Feb. 1, 2003. It wasn't immediately clear if there was a problem with the shuttle. An apple is floating in the foreground. (AP Photo/NASA TV)

NASA Administrator Sean O'Keefe rubs his forehead prior to a news conference at Florida's Kennedy Space Center, Saturday, Feb. 1, 2003. NASA lost communication with the space shuttle Columbia Saturday after it broke apart in flames over Texas, killing all seven astronauts just minutes before they were to glide to a landing in Florida.(AP Photo/Orlando Sentinel, Red Huber)

A helmet from mission STS-107 is seen in this image from television, Sunday, Feb. 2, 2003 in San Augustine, Texas. Remnants of the space shuttle Columbia remained strewn across east Texas and Louisiana Sunday, as authorities probed possible causes for the tragedy that pierced a crystal blue sky and stung deeper into an already shaken sense of security. (AP Photo/KHOU-TV)

Large pieces of space shuttle Columbia debris sit wrapped on pallets at Nose Dock Six, Monday Feb. 10, 2003, at Barksdale Air Force Base, La. (AP Photo/Tony Gutierrez, Pool)

A Texas Department of Safety trooper photographs part of what is believed to be a piece of debris from the space shuttle Columbia along State Highway 155, north of Palestine, Texas, Sunday, Feb. 2, 2003. The shuttle tore to pieces Saturday 39 miles above Texas, killing all seven astronauts, in the last 16 minutes of a 16-day mission, as the spaceship re-entered Earth's atmosphere. (AP Photo/San Antonio Express-News, Jerry Lara)

Mourners visit a makeshift memorial, Sunday, Feb. 2, 2003, outside the Johnson Space Center in Houston honoring the seven astronauts who perished aboard the Space Shuttle Columbia on Saturday. (AP Photo/Matt York)

A member of the space shuttle Columbia reconstruction project team walks through the wreckage that is laid out on the floor of this hangar at the Kennedy Space Center in Cape Canaveral, Fla., Friday Feb. 21, 2003. The debris is being layed out on a grid to aid in the investigation of the Columbia accident. (AP Photo/Peter Cosgrove)

Wink Miller looks at a piece of debris believed to be from the space shuttle Columbia he found in the trees near Hemphill, Texas, Sunday, Feb. 2, 2003. (AP Photo/Mark Zimmerman)

Tracy Smith, left, and his father-in-law Don Crosby take a look at a large piece of debris believed to be from the space shuttle Columbia, Sunday, Feb. 2, 2003, near Alto, Texas. (AP Photo/The Lufkin Daily News, Marc R. Masferrer)

Mac Powell examines a piece of debris, believed to be from the space shuttle Columbia, he found behind his home near Nacogdoches, Texas, Sunday, Feb. 2, 2003. (AP Photo/The Daily Sentinel, Andrew D. Brosig)

Kerri Gauthier,21, (left) comforts her sister Kristin Gauthier, 18, both of Houston as they listen via radio to the memorial service for space shuttle Columbia astronauts going on with President Bush inside the center on Tuesday, February 4, 2003. At right, Char Rogers of Houston wipes a tear. They were all outside the gates to the center. CYRUS MCCRIMMON, The Denver Post

John Mast of Nacogdoches takes a picture of a piece of what is believed to be debris of the Columbia space shuttle at his Farm in Melrose, TX. on Monday. (The Denver Post/ Hyoung Chang)

Barbara Mikulik of Houston (right) kisses her 91-year-old mother Hilda Mikulik of San Angelo, Texas before the memorial service for space shuttle Columbia astronauts going on with President Bush inside the center on Tuesday, February 4, 2003. They were outside the gates to the center where flowers, notes, flags are being placed in at a memorial for the astronauts. Barbara brought her mother to the site to witness history and pay a tribute to the "courageous men and women who did something for us all." CYRUS MCCRIMMON, The Denver Post

Cynthia Gallegos of Houston, reaches out to touch balloons that are part of a memorial to space shuttle Columbia astronauts who died on Saturday as their space ship exploded over Texas during reentry. Gallegos brought her daughter Sierra to the Lyndon B. Johnson Space Center to honor the astronauts who died. CYRUS MCCRIMMON, The Denver Post

CAP CANAVERAL, FL - NASA employees attend a memorial service for the 7-member crew of space shuttle Columbia at the Kennedy Space Center, Friday, February 7, 2003. (gsb) 2003. GRANT JEFFERIES/BRADENTON HERALD

In this image from television on Tuesday, Feb. 11, 2003 international space station commander Ken Bowersox, center, hands the microphone to Russian flight engineer Nikolai Budarin,left, during a news conference from the space station. At right is science officer Don Pettit. They said they've shed tears for their friends who died aboard space shuttle Columbia, but are now trying to move forward --though slowly.(AP Photo/NASA TV)

This Aug. 1, 2011 handout photo provided by the Nacogdoches Police Department shows a 4-feet in diameter sphere found in Lake Nacogdoches, Texas on Monday, Aug. 1. Police say low water levels at the lake during the drought have led to recovery of a container-like object that could be from space shuttle Columbia. The shuttle broke apart and burned in February 2003, scattering remnants over East Texas. (AP Photo/Nacogdoches Police Department)

Space Shuttle Columbia commander Rick Husband, right, and shuttle crew are shown during a news conference Jan. 3, 2003, at Johnson Space Center in Houston. NASA declared an emergency and feared the worst after losing communication with space shuttle Columbia, Saturday, Feb. 1, 2003, as the ship and its seven astronauts soared over Texas several minutes before its expected landing in Florida. Top row from left are Navy Capt. David Brown, Pilot William McCool, Laurel Clark, Husband, and bottom from left: Payload Commander Michael Anderson, Kalpana Chawla, Israeli Air Force Col. Ilan Ramon. (AP Photo/David J. Phillip, FILE)