NASA HistoryColumbia main engine powerhead recovered from Fort Polk in Louisiana.Columbia main engine powerhead recovered from Fort Polk in Louisiana.Piece of STS-107 left wing underside, forward and inboard of the corner of the left main landing gear door. Delivered...Photo taken Flight Day One, Orbit Five, approximately 6 p.m. CST, of STS-107 left wing on orbit.The left inboard main landing gear tire from STS-107.Overhead image of STS-107 debris layout at Kennedy Space Center.Orbiter Processing Facility.Left Wheel WellOrbiter Processing FacilityCAIB board members speak with reporters following the press briefing.Sample of an actual Reinforced Carbon Carbon (RCC) T-seal cross-section shows the rounded “locking” side and flat “sliding” side of...CAIB board members (left to right), Dr. James N. Hallock, Brig. General Deal, Steven Wallace, Chairman Hal Gehman with Laura...CAIB board members (left to right), Dr. James N. Hallock, Brig. General Deal, Steven Wallace, Chairman Hal Gehman with Laura...CAIB Chairman Gehman responds to questions.CAIB representatives (left to right) are Scott Hubbard, Brig. General Deal, Steven Wallace, Chairman Gehman, Roger E. Tetrault, Rear Admiral....CAIB Panel includes (from left to right) moderator Lt. Colonel Woody Woodyard, Chairman Hal Gehman, Steven Wallace, Maj. General John...The panel for the April 15, 2003 CAIB Press Briefing includes CAIB Chairman Hal Gehman, Rear Admiral Stephen Turcotte, Maj....The CAIB panel for the April 22, 2003 press briefing held at the NASA Hilton in Houston included (from left...Dr. Hallock presents ‘Off-Nominal Flight Data’ information at the Press Briefing.Laura Brown moderates questions from reporters during a CAIB press briefing.Reconstruction Team members discuss debris with CAIB board member Dr. Douglas D. Osheroff.Columbia data recorderColumbia data recorderOne of the larger pieces of recovered debris is Columbia’s nose gear shown here with tires still intact.A Reconstruction Team member examines debris with a video-microscope searching for clues that will give investigators a better understanding of...Board members examine debris that is identified as coming from near the left wheel well area.Scott Hubbard, CAIB board member, inspects damaged RCC panel #8 following test.Scott Hubbard, CAIB board member, inspects damaged RCC panel #8 following test.The crew hatch is located in the center of the photo with surrounding latch mechanisms lying nearby. Photographed at the...Close up of the Crew Hatch lying exterior-side up. Photographed at the Columbia reconstruction hangar at KSC on March 3,...CAIB Chairman Hal Gehman makes opening remarks to reporters.Admiral Hal Gehman, USNCAIB Chairman Hal Gehman holds a model of the shuttle as he speaks with reporters.CAIB Chairman Gehman discusses the shuttle Columbia debris reconstruction layout on the hanger floor.CAIB Chairman Hal Gehman flanked by Steven Wallace (left) and Dr. Douglas D. Osheroff (right) makes opening comments to the...Looking down the line of identified main fuselage debris located on the grid system in the hangar.A Reconstruction Team member matches puzzle pieces of Columbia debris materialThese pieces of RCC (Reinforced Carbon Carbon) illustrate how identified pieces of the debris puzzle were laid-out together on the...A Reconstruction Team member uses 1:1 engineering drawings as a tool in the process of identifying recovered Reinforced Carbon-Carbon (RCC)...Closeup of a left main landing gear uplock roller from STS-107. Found February 19, 2003 near Chireno, TX.