mission specialists steven maclean

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KENNEDY SPACE CENTER, FLA. -   The STS-115 crew members stride out of the Operations and Checkout Building eager to get to Launch Pad 39B and the start of their mission to the International Space Station. This is the second attempt at launch after a week's postponement due to weather and technical concerns.  On the left side, front to back, are Pilot Christopher Ferguson and Mission Specialists Steven MacLean and Heidemarie Stefanyshyn-Piper.  On the right side, front to back, are Commander Brent Jett and Mission Specialists Daniel Burbank and Joseph Tanner. On its second attempt for launch, Atlantis is scheduled to lift off at 11:41 a.m. EDT today from Launch Pad 39B.  During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC.  Photo credit: NASA/Kim Shiflett KSC-06pd2088

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members stride out of ...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members stride out of the Operations and Checkout Building eager to get to Launch Pad 39B and the start of their mission to the International Space Station. This ... More

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for a second launch attempt on Sept. 6 to the International Space Station. Seen here, left to right, are Mission Specialists Steven MacLean and Joseph Tanner, Commander Brent Jett, Pilot Christopher Ferguson, and Mission Specialists Heidemarie Stefanyshyn-Piper and Daniel Burbank. Mission managers cancelled Atlantis' first launch campaign due to a lightning strike at the pad and the passage of Tropical Storm Ernesto along Florida's east coast. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett KSC-06pd2012

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk ...

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for a second launch attempt on Sept. 6 to the... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 Mission Specialist Joseph Tanner gets familiar with a camera that is a mockup of one the crew will use to take photographs on-orbit.  With him are Mission Specialists Steven MacLean, who represents the Canadian Space Agency, and Heidemarie Stefanyshyn-Piper.  The crew is at the center for Crew Equipment Interface Test activities, which involves equipment familiarization,  a routine part of astronaut training and launch preparations.  The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A.  Launch on Space Shuttle Atlantis is scheduled for late August.  Photo credit: NASA/Kim Shiflett KSC-06pd1196

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-1...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 Mission Specialist Joseph Tanner gets familiar with a camera that is a mockup of one the crew will use to take photographs on-orbit. Wit... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 Mission Specialist Joseph Tanner practices using a camera that is a mockup of one the crew will use to take photographs on-orbit.  With him are Mission Specialists Steven MacLean, who represents the Canadian Space Agency, and Heidemarie Stefanyshyn-Piper.  The crew is at the center for Crew Equipment Interface Test activities, which involves equipment familiarization,  a routine part of astronaut training and launch preparations.  The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A.  Launch on Space Shuttle Atlantis is scheduled for late August.  Photo credit: NASA/Kim Shiflett KSC-06pd1197

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-1...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 Mission Specialist Joseph Tanner practices using a camera that is a mockup of one the crew will use to take photographs on-orbit. With h... More

KENNEDY SPACE CENTER, FLA. -     In the Orbiter Processing Facility, STS-115 crew members examine tiles on the orbiter Atlantis,  the designated launch vehicle for their mission. From left are Mission Specialists Steven MacLean and Daniel Burbank.  MacLean represents the Canadian Space Agency.  The crew is at the center for Crew Equipment Interface Test activities, which involves equipment familiarization,  a routine part of astronaut training and launch preparations.  The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A.  Launch on Space Shuttle Atlantis is scheduled for late August.  Photo credit: NASA/Kim Shiflett KSC-06pd1186

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, S...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members examine tiles on the orbiter Atlantis, the designated launch vehicle for their mission. From left are Mission Specialis... More

KENNEDY SPACE CENTER, FLA. -   In the Orbiter Processing Facility, STS-115 crew members discuss their examination of the orbiter Atlantis, seen above them.  From left are Mission Specialists Steven MacLean, who represents the Canadian Space Agency, Heidemarie Stefanyshyn-Piper, Daniel Burbank and Joseph Tanner.   The crew is at the center for Crew Equipment Interface Test activities, which involves equipment familiarization,  a routine part of astronaut training and launch preparations.  The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A.  Launch on Space Shuttle Atlantis is scheduled for late August.  Photo credit: NASA/Kim Shiflett KSC-06pd1191

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members discuss their examination of the orbiter Atlantis, seen above them. From left are Mission Specialists Steven MacLean, who... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members examine the edge of the wing on the orbiter Atlantis, the designated launch vehicle for their mission. From left are Mission Specialists Steven MacLean, who represents the Canadian Space Agency, and Joseph Tanner.  The crew is at the center for Crew Equipment Interface Test activities, which involves equipment familiarization,  a routine part of astronaut training and launch preparations.  The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A.  Launch on Space Shuttle Atlantis is scheduled for late August.  Photo credit: NASA/Kim Shiflett KSC-06pd1192

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-1...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members examine the edge of the wing on the orbiter Atlantis, the designated launch vehicle for their mission. From left are Mission... More

KENNEDY SPACE CENTER, FLA. -  In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay.  Looking at the airlock are Mission Specialists Steven MacLean (left) and Daniel Burbank (foreground). The crew is at KSC for Crew Equipment Interface Test activities, which involves equipment familiarization,  a routine part of astronaut training and launch preparations.  The STS-115 mission will deliver the second port truss segment, the P3/P4 truss, to the International Space Station.  The crew will attach the P3 to the first port truss segment, the P1 truss, as well as deploy solar array set 2A and 4A.  Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1214

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NA...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. Looking at the airlock are Mission Specialists... More

KENNEDY SPACE CENTER, FLA. -  After successfully completing their driving practice on the M-113 armored personnel carrier behind them, the STS-115 crew poses for a photo.  From left are Pilot Christopher Ferguson, Mission Specialists Steven MacLean, Heidemarie Stefanyshyn-Piper, Joseph Tanner and Daniel Burbank, and Commander Brent Jett.  The STS-115 crew are at NASA's Kennedy Space Center for Terminal Countdown Demonstration Test activities such as the M-113 training.  They will also practice emergency egress from the launch pad and take part in a simulated launch countdown.  Liftoff of mission STS-115 aboard Space Shuttle Atlantis is scheduled in a window beginning Aug. 27.   Photo credit: NASA/Cory Huston KSC-06pd1763

KENNEDY SPACE CENTER, FLA. - After successfully completing their driv...

KENNEDY SPACE CENTER, FLA. - After successfully completing their driving practice on the M-113 armored personnel carrier behind them, the STS-115 crew poses for a photo. From left are Pilot Christopher Fergus... More

KENNEDY SPACE CENTER, FLA. -   The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. From left are Commander Brent Jett and Mission Specialists Steven MacLean, Heidemarie Stefanyshyn-Piper and Joseph Tanner.  MacLean is with the Canadian Space Agency.  Not pictured are Pilot Chris Ferguson and Mission Specialist Daniel Burbank.  The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27.  During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays.  Photo credit: NASA/Cory Huston KSC-06pd1779

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions abou...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. From left are Commander Brent Jett and Mission Special... More

KENNEDY SPACE CENTER, FLA. -   The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad.   From left are Commander Brent Jett and Mission Specialists Steven MacLean, Heidemarie Stefanyshyn-Piper and Joseph Tanner, and Pilot Chris Ferguson.  MacLean is with the Canadian Space Agency.  Not pictured is Mission Specialist Daniel Burbank. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27.  During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays.  Photo credit: NASA/Cory Huston KSC-06pd1780

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions abou...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. From left are Commander Brent Jett and Mission Speci... More

KENNEDY SPACE CENTER, FLA. -   STS-115 Mission Specialists Steven MacLean (left) and Joseph Tanner are ready to release the slidewire basket on Launch Pad 39B, practicing emergency egress procedures.  The activity follows a simulated launch countdown, part of Terminal Countdown Demonstration Test activities. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1833

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialists Steven MacL...

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialists Steven MacLean (left) and Joseph Tanner are ready to release the slidewire basket on Launch Pad 39B, practicing emergency egress procedures. The activ... More

KENNEDY SPACE CENTER, FLA. -   Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left are Pilot Christopher Ferguson, Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner, Commander Brent Jett, and Mission Specialists Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. Behind them loom the top of Space Shuttle Atlantis' external tank and one of the solid rocket boosters.  The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1839

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown ...

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left ar... More

KENNEDY SPACE CENTER, FLA. -   Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left are Mission Specialists Joseph Tanner and Heidemarie Stefanyshyn-Piper, Commander Brent Jett, Pilot Christopher Ferguson, and Mission Specialists Steven MacLean and Daniel Burbank.  MacLean is with the Canadian Space Agency.  Behind them loom the top of Space Shuttle Atlantis' external tank and one of the solid rocket boosters.  The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1838

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown ...

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left ar... More

KENNEDY SPACE CENTER, FLA. -    In the payload changeout room on Launch Pad 39B, STS-115 crew members look over the mission payload one more time before launch. Looking up at the payload from left, are mission specialists Steven MacLean, who represents the Canadian Space Agency, Heidemarie Stefanyshyn-Piper, Joseph Tanner, and Daniel Burbank. The mission crew has been at KSC to take part in Terminal Countdown Demonstration Test activities, which include emergency egress training, a simulated launch countdown and the payload familiarization. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1852

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launc...

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launch Pad 39B, STS-115 crew members look over the mission payload one more time before launch. Looking up at the payload from left, are mission ... More

KENNEDY SPACE CENTER, FLA. -   Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left are Pilot Christopher Ferguson, Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner, Commander Brent Jett, and Mission Specialists Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency.  The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1840

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown ...

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left ar... More

KENNEDY SPACE CENTER, FLA. -   The STS-115 crew walks out of the Operations and Checkout Building to head for Launch Pad 39B.  Leading the way on the left is Pilot Christopher Ferguson; behind him are Mission Specialists Steven MacLean and Heidemarie Stefanyshyn-Piper.  Leading on the right is Commander Brent Jett; behind him re Mission Specialists Daniel Burbank and Joseph Tanner.  MacLean is with the Canadian Space Agency. They are taking part in a simulated launch countdown as part of the preparation for the liftoff of Space Shuttle Atlantis on mission STS-115, scheduled to take place in a window that opens Aug. 27.  The mission crew has been at KSC for Terminal Countdown Demonstration Test (TCDT) activities, which include emergency egress training and the simulation.  During their 11-day mission to the International Space Station, the crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo courtesy of Scott Andrews/Nikon KSC-06pd1815

KENNEDY SPACE CENTER, FLA. - The STS-115 crew walks out of the Opera...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew walks out of the Operations and Checkout Building to head for Launch Pad 39B. Leading the way on the left is Pilot Christopher Ferguson; behind him are Mission S... More

KENNEDY SPACE CENTER, FLA. -  The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for launch on Aug. 27 to the International Space Station. Seen here, left to right, are Mission Specialists Steven MacLean and Daniel Burbank, Pilot Christopher Ferguson, Commander Brent Jett, and Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost.  The truss includes a new set of photovoltaic solar arrays.  When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years.  STS-115 is expected to last 11 days and includes three scheduled spacewalks.    Photo credit: NASA/Kim Shiflett KSC-06pd1900

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk...

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for launch on Aug. 27 to the International S... More

KENNEDY SPACE CENTER, FLA. -    The crew of mission STS-115 arrives at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for launch on Aug. 27 to the International Space Station.  They have paused to talk to the media before heading to crew quarters in the Operations and Checkout Building.  From left are Mission Specialists Steven MacLean, Joseph Tanner and Heidemarie Stefanyshyn-Piper, Commander Brent Jett, Pilot Christopher Ferguson and Mission Specialist Daniel Burbank.  MacLean represents the Canadian Space Agency. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost.  The truss includes a new set of photovoltaic solar arrays.  When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years.  STS-115 is expected to last 11 days and includes three scheduled spacewalks.    Photo credit: NASA/Kim Shiflett KSC-06pd1897

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 arrives at...

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 arrives at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for launch on Aug. 27 to the International Space Station. They have paused... More

KENNEDY SPACE CENTER, FLA. -  After a week's delay of launching due to weather and technical issues, the crew of mission STS-115 enjoy the traditional breakfast before their second attempt to launch on Space Shuttle Atlantis.  Seated left to right are Mission Specialists Joseph Tanner and Heidemarie Stefanyshyn-Piper, Pilot Christopher Ferguson, Commander Brent Jett and Mission Specialists Steven MacLean and Daniel Burbank.  MacLean is with the Canadian Space Agency.  Following the breakfast, the crew will don their launch suits before heading to Launch Pad 39B.  During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a planned landing at KSC.   Photo credit: NASA/Kim Shiflett KSC-06pd2075

KENNEDY SPACE CENTER, FLA. - After a week's delay of launching due to...

KENNEDY SPACE CENTER, FLA. - After a week's delay of launching due to weather and technical issues, the crew of mission STS-115 enjoy the traditional breakfast before their second attempt to launch on Space Sh... More

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew respond to well-wishers as they head to the Astrovan for the ride to Launch Pad 39B.  From left are Pilot Christopher Ferguson, Mission Specialists Steven MacLean, Heidemarie Stefanyshyn-Piper, Daniel Burbank and Joseph Tanner (hidden), and Commander Brent Jett.  The crew is eager for another attempt at liftoff after the Sept. 8 scrub.  The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low.  During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC.  Photo credit: NASA/Kim Shiflett KSC-06pd2104

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew respond to well-...

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew respond to well-wishers as they head to the Astrovan for the ride to Launch Pad 39B. From left are Pilot Christopher Ferguson, Mission Specialists Steven M... More

KENNEDY SPACE CENTER, FLA. -   After a week's delay of launching due to weather and technical issues, the crew of mission STS-115 have had the traditional breakfast before their third attempt to launch on Space Shuttle Atlantis.  Seated left to right are Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner, Commander Brent Jett, Pilot Christopher Ferguson and Mission Specialists Steven MacLean and Daniel Burbank.  MacLean is with the Canadian Space Agency.  The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low.  Following the breakfast, the crew will don their launch suits before heading to Launch Pad 39B.  During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC.  Photo credit: NASA/Kim Shiflett KSC-06pd2090

KENNEDY SPACE CENTER, FLA. - After a week's delay of launching due t...

KENNEDY SPACE CENTER, FLA. - After a week's delay of launching due to weather and technical issues, the crew of mission STS-115 have had the traditional breakfast before their third attempt to launch on Space... More

KENNEDY SPACE CENTER, FLA. - After suiting up, the STS-115 mission crew exits the Operations and Checkout Building to board the Astrovan to Launch Pad 39B.  On the left, front to back, are Pilot Christopher Ferguson and Mission Specialists Steven MacLean and Heidemarie Stefanyshyn-Piper.  On the right, front to back, are Commander Brent Jett and Mission Specialists Daniel Burbank and Joseph Tanner.  The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low.  During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC.  Photo credit: NASA/Kim Shiflett KSC-06pd2106

KENNEDY SPACE CENTER, FLA. - After suiting up, the STS-115 mission cre...

KENNEDY SPACE CENTER, FLA. - After suiting up, the STS-115 mission crew exits the Operations and Checkout Building to board the Astrovan to Launch Pad 39B. On the left, front to back, are Pilot Christopher Fer... More

KENNEDY SPACE CENTER, FLA. -  The STS-115 mission crew happily heads to the Astrovan for the ride to Launch Pad 39B and another attempt at liftoff.  From the left, in the back row are Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner; in the center row are Mission Specialists Steven MacLean and Daniel Burbank; in the front row leading the way are Pilot Christopher Ferguson and Commander Brent Jett.  The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low.  During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC.  Photo credit: NASA/Kim Shiflett KSC-06pd2105

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew happily heads t...

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew happily heads to the Astrovan for the ride to Launch Pad 39B and another attempt at liftoff. From the left, in the back row are Mission Specialists Heidem... More

KENNEDY SPACE CENTER, FLA. - At the traditional post-landing inspection, STS-115 Mission Specialists Steven MacLean and Daniel Burbank examine the underside of the orbiter Atlantis.  During the mission, astronauts completed three spacewalks to attach the P3/P4 integrated truss structure to the International Space Station.  Main gear touchdown was at 6:21:30 a.m. EDT.  Nose gear touchdown was at 6:21:36 a.m. and wheel stop was at 6:22:16 a.m.  Atlantis traveled 4.9 million miles, landing on orbit 187. Mission elapsed time was 11 days, 19 hours, six minutes. This is the 15th night landing at KSC and the 23rd night landing overall.  Photo credit: NASA/Kim Shiflett KSC-06pd2203

KENNEDY SPACE CENTER, FLA. - At the traditional post-landing inspectio...

KENNEDY SPACE CENTER, FLA. - At the traditional post-landing inspection, STS-115 Mission Specialists Steven MacLean and Daniel Burbank examine the underside of the orbiter Atlantis. During the mission, astrona... More

KENNEDY SPACE CENTER, FLA. - After a safe landing aboard Atlantis on Runway 33 of the Shuttle Landing Facility, the STS-115 crew greets the media.  At the microphone is Commander Brent Jett.  Behind him, left to right, are Mission Specialist Daniel Burbank, Pilot Christopher Ferguson and Mission Specialists Steven MacLean, Joseph Tanner and Heidemarie Stefanyshyn-Piper.  During the mission, astronauts completed three spacewalks to attach the P3/P4 integrated truss structure to the International Space Station.  Main gear touchdown was at 6:21:30 a.m. EDT.  Nose gear touchdown was at 6:21:36 a.m. and wheel stop was at 6:22:16 a.m.  Atlantis traveled 4.9 million miles, landing on orbit 187. Mission elapsed time was 11 days, 19 hours, six minutes. This is the 15th night landing at KSC and the 23rd night landing overall.  Photo credit: NASA/Kim Shiflett KSC-06pd2206

KENNEDY SPACE CENTER, FLA. - After a safe landing aboard Atlantis on R...

KENNEDY SPACE CENTER, FLA. - After a safe landing aboard Atlantis on Runway 33 of the Shuttle Landing Facility, the STS-115 crew greets the media. At the microphone is Commander Brent Jett. Behind him, left t... More

KENNEDY SPACE CENTER, FLA. - At the traditional post-landing inspection, STS-115 Mission Specialists Steven MacLean and Daniel Burbank look over Atlantis.  During the mission, astronauts completed three spacewalks to attach the P3/P4 integrated truss structure to the International Space Station.  Main gear touchdown was at 6:21:30 a.m. EDT.  Nose gear touchdown was at 6:21:36 a.m. and wheel stop was at 6:22:16 a.m.  Atlantis traveled 4.9 million miles, landing on orbit 187. Mission elapsed time was 11 days, 19 hours, six minutes. This is the 15th night landing at KSC and the 23rd night landing overall.  Photo credit: NASA/Kim Shiflett KSC-06pd2205

KENNEDY SPACE CENTER, FLA. - At the traditional post-landing inspectio...

KENNEDY SPACE CENTER, FLA. - At the traditional post-landing inspection, STS-115 Mission Specialists Steven MacLean and Daniel Burbank look over Atlantis. During the mission, astronauts completed three spacewa... More