S91-49490 (24 Oct 1991) --- Astronaut William S. McArthur, mission specialist.

S93-38679 (20 July 1993) --- Wearing a training version of the partial pressure launch and entry garment, astronaut William S. McArthur listens to a briefing on emergency egress procedures for the STS-58 mission. McArthur, along with five other NASA astronauts and a visiting payload specialist assigned to the seven member crew, later rehearsed contingency evacuation procedures. Most of the training session took place in the crew compartment and full fuselage trainers of the Space Shuttle mockup and integration laboratory.

S93-38686 (20 July 1993) --- Wearing a training version of the partial pressure launch and entry garment, astronaut William S. McArthur prepares to rehearse emergency egress procedures for the STS-58 mission. McArthur, along with the five other NASA astronauts and a visiting payload specialist assigned to the seven-member crew, later simulated contingency evacuation procedures. Most of the training session took place in the crew compartment and full fuselage trainers of the Space Shuttle mockup and integration laboratory.

STS058-21-011 (24 Oct 1993) --- From the flight deck of the Earth-orbiting Space Shuttle Columbia, astronaut William S. McArthur talks to students on Earth. The mission specialist's activity was part of the Shuttle Amateur Radio Experiment (SAREX), a frequent payload on Shuttle missions which serves to enlighten students around the world on the topic of space travel. McArthur (call letters KC5ACR) is one of three licensed amateur radio operators on the seven-member flight.

S93-43840 (6 Sept 1993) --- Astronaut William S. McArthur, mission specialist, participates in training for contingency Extravehicular Activity (EVA) for the STS-58 mission. For simulation purposes, McArthur was about to be submerged to a point of neutral buoyancy in the Johnson Space Center's (JSC) Weightless Environment Training Facility (WET-F). Though the Spacelab Life Sciences (SLS-2) mission does not include a planned EVA, all crews designate members to learn proper procedures to perform outside the spacecraft in the event of failure of remote means to accomplish those tasks.

JSC2005-E-36545 (26 August 2005) --- Astronaut William S. McArthur, Jr., Expedition 12 commander and NASA Space Station science officer, attired in a Russian Sokol suit, pauses from a busy training schedule in Star City, Russia to pose for a portrait.

Expedition 10 backup crew members cosmonaut Valery I. Tokarev, left and NASA astronaut William S. McArthur depart the plane at Baikonur, Kazakhstan, Monday, Oct. 4, 2004. The Expedition 10 crew is scheduled to be launched on the Soyuz TMA-5 to the International Space Station on October 14, 2004. Photo credit: (NASA/Bill Ingalls)

JSC2000-E-27054 (27 October 2000) --- Astronaut William (Bill) McArthur, STS-92 mission specialist, addresses crowd at Ellington Field during crew return ceremonies.

ISS012-E-11488 (11 Dec. 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, poses with Christmas decorations in the Destiny laboratory of the International Space Station.

ISS012-E-22751 (24 Dec. 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, floats through a hatch on the International Space Station.

Astronaut William S. McArthur Jr., Expedition 12 commander and space station science officer, smiles as he experiences terra firma for the first time in six months following the touchdown of the Soyuz TMA-7 spacecraft in the steppes of Kazakhstan, Sunday, April 9, 2006. Brazilian astronaut Marcos Pontes and cosmonaut Valery I. Tokarev, Russias Federal Space Agency flight engineer and Soyuz commander joined McArthur for the return trip from the orbital outpost. Photo Credit: (NASA/Bill Ingalls)

William S. McArthur Jr., Expedition 12 Commander and Space Station Science Officer, waves to some of the crowd on hand in the steppes of Kazakhstan to greet the three crewmembers returning to Earth from the International Space Station in the Soyuz TMA-7 spacecraft on Sunday, April 9, 2006. Returning with McArthur, Flight Engineer Valery Tokarev and Brazil’s first astronaut, Marcos Pontes, who arrived at the station with Expedition 13 on April 1. Photo Credit: (NASA/Bill Ingalls)

ISS012-E-14244 (28 Dec. 2005) --- Astronaut William S. (Bill) McArthur Jr. (right), Expedition 13 commander and NASA space station science officer, and cosmonaut Valery I. Tokarev, flight engineer representing Russia's Federal Space Agency, pose for a holiday photo in the Zvezda Service Module of the International Space Station. McArthur and Tokarev are holding Christmas stockings and wearing Santa Claus hats. A small Christmas tree and Santa Claus figurine sit on the gallery table in the foreground.

JSC2006-E-16021 (9 April 2006) --- Astronaut William S. McArthur Jr., Expedition 12 commander and space station science officer, smiles as he experiences terra firma for the first time in six months following the touchdown of the Soyuz TMA-7 spacecraft in the steppes of Kazakhstan. A Brazilian astronaut and Russian cosmonaut joined McArthur for the return trip from the orbital outpost. Photo Credit: NASA/Bill Ingalls

ISS012-E-20020 (9 March 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, works with a portion of the Resistive Exercise Device (RED) in the Destiny laboratory of the International Space Station. In this view, McArthur replaced RED flex packs, which are external splines and spacers that were approaching the end of their certified life.

ISS012-E-05983 (23 Oct. 2005) --- Astronaut William S. McArthur Jr. (right), Expedition 12 commander and NASA science officer, dons his Extravehicular Mobility Unit (EMU) spacesuit in the Quest Airlock of the international space station. Cosmonaut Valery I. Tokarev, flight engineer representing Russia's Federal Space Agency, assisted McArthur. When the Expedition 12 crew performs its first scheduled day of spacewalking on Nov. 7, it will be attired in the NASA EMU.

S93-39619 (20 July 1993) --- Wearing a training version of the partial pressure launch and entry garment, astronaut William S. McArthur listens to a briefing on emergency egress procedures for the STS-58 mission. McArthur, along with the five other NASA astronauts and a visiting payload specialist assigned to the seven-member crew, later rehearsed contingency evacuation procedures. Most of the training session took place in the crew compartment and full fuselage trainers of the Space Shuttle mockup and integration laboratory.

ISS012-E-20043 (9 March 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, sets up the electromyography (EMG) calibration cord assembly for a data collection session of the Foot/Ground Reaction Forces During Spaceflight (FOOT) experiment in the Destiny laboratory of the International Space Station. McArthur was attired in the specially instrumented Lower Extremity Monitoring Suit (LEMS), cycling tights outfitted with sensors for the experiment.

ISS012-E-06035 (21 October 2005) --- Astronaut William S. McArthur Jr., Expedition 12 commander and NASA science officer, holds a Hand Control Module (HCM) while looking at laptop computer graphics during a Simplified Aid for EVA Rescue (SAFER) training session in the Unity node of the international space station.

ISS012-E-09767 (30 November 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, performs preventive maintenance and cleaning of the Russian segment SOTR ventilation systems in the Zvezda Service Module of the international space station.

ISS012-E-07685 (11 Nov. 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, photographs Binary Colloidal Alloy Test-3 (BCAT-3) experiment samples in the Destiny laboratory of the international space station.

ISS012-E-10245 (5 December 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, performs in-flight maintenance (IFM) on the Volatile Organic Analyzer (VOA) in the Destiny laboratory of the International Space Station.

ISS012-E-06038 (31 October 2005) --- Astronaut William S. McArthur Jr., Expedition 12 commander and NASA science officer, conducts troubleshooting operations on the Trace Contaminant Control Subassembly (TCCS) in the Destiny laboratory of the international space station.

ISS012-E-14206 (3 Jan. 2006) --- Astronaut William S. (Bill) McArthur Jr., Expedition 13 commander and NASA space station science officer, exercises on the Cycle Ergometer with Vibration Isolation System (CEVIS) in the Destiny laboratory of the International Space Station.

ISS012-E-10207 (5 December 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, performs in-flight maintenance (IFM) on the Volatile Organic Analyzer (VOA) in the Destiny laboratory of the International Space Station.

JSC2006-E-16637 (26 April 2006) --- Astronaut William S. (Bill) McArthur Jr. (left), Expedition 12 commander and NASA space station science officer, speaks with astronaut Wendy B. Lawrence at his arrival at Ellington Field near Johnson Space Center.

ISS012-E-12570 (16 Dec. 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, completes a battery charge on a cardiac defibrillator at the Human Research Facility (HRF) in the Destiny laboratory of the International Space Station.

ISS012-E-18219 (13 Feb. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, works with the Treadmill Vibration Isolation System (TVIS) during in-flight maintenance (IFM) in the Zvezda Service Module of the International Space Station.

ISS012-E-18246 (14 Feb. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, works with the Treadmill Vibration Isolation System (TVIS) during in-flight maintenance (IFM) in the Zvezda Service Module of the International Space Station.

ISS012-E-15158 (15 Jan. 2006) --- Astronaut William S. (Bill) McArthur, Jr., Expedition 12 commander and NASA space station science officer, exercises on the Treadmill Vibration Isolation System (TVIS) in the Zvezda Service Module of the International Space Station.

JSC2002-01517 (8 Aug. 2002) --- Astronaut William S. (Bill) McArthur, Jr., Expedition 12 commander, attired in a training version of the shuttle launch and entry suit, awaits the start of a mission training session in the Space Vehicle Mockup Facility at NASA's Johnson Space Center.

JSC2006-E-16619 (26 April 2006) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, speaks to a welcoming crowd on hand at his arrival at Ellington Field near Johnson Space Center.

ISS012-E-12909 (20 Dec. 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, prepares the Capillary Flow Experiment (CFE) for video documentation. The CFE was positioned on the Maintenance Work Area in the Destiny laboratory of the International Space Station.

JSC2006-E-16605 (26 April 2006) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, exits a plane following his arrival at Ellington Field near Johnson Space Center.

ISS012-E-18278 (14 Feb. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, works with a portion of the Treadmill Vibration Isolation System (TVIS) during in-flight maintenance (IFM) in the Zvezda Service Module of the International Space Station.

ISS012-E-09763 (30 Nov. 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, performs preventive maintenance and cleaning of the Russian segment SOTR ventilation systems in the Zvezda Service Module of the international space station.

ISS012-E-22732 (24 Oct. 2005) --- Astronaut Williams S. (Bill) McArthur Jr. (right), Expedition 12 commander and NASA space station science officer, and cosmonaut Valery I. Tokarev, flight engineer representing Russia's Federal Space Agency, eat a meal in the Zvezda Service Module of the International Space Station.

ISS012-E-05937 (19 Oct. 2005) --- Astronaut William S. McArthur Jr., Expedition 12 commander and NASA science officer, equipped with a bungee harness, exercises on the Treadmill Vibration Isolation System (TVIS) in the Zvezda Service Module of the international space station.

ISS012-E-22572 (21 March 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, adds potable water to a soft beverage container at the galley in Zvezda Service Module of the International Space Station.

ISS012-E-09931 (1 December 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, rotates the Crew Health Care System (CHeCS) rack back into position after cleaning the Avionics Air Assembly fan in the Destiny laboratory of the International Space Station.

ISS012-E-10233 (5 December 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, performs in-flight maintenance (IFM) on the Volatile Organic Analyzer (VOA) in the Destiny laboratory of the International Space Station.

ISS012-E-18210 (13 Feb. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, works with the Treadmill Vibration Isolation System (TVIS) during in-flight maintenance (IFM) in the Zvezda Service Module of the International Space Station.

ISS012-E-06030 (21 October 2005) --- Astronaut William S. McArthur Jr., Expedition 12 commander and NASA science officer, holds a Hand Control Module (HCM) while looking at laptop computer graphics during a Simplified Aid for EVA Rescue (SAFER) training session in the Unity node of the international space station.

ISS012-E-24257 (8 April 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, floats in the Zvezda Service Module of the International Space Station prior to his departure in a Soyuz TMA-7 spacecraft. A Russian Sokol spacesuit floats nearby.

In the Space Station Processing Facility, STS-92 crew members discuss the Pressurized Mating Adapter -3 in the background with workers from Boeing. At the far left is Mission Specialist William Surles "Bill" McArthur Jr.; facing the camera are Pilot Pamela A. Melroy and Mission Specialist Koichi Wakata, who represents the National Space Development Agency of Japan (NASDA). Also participating are other crew members Commander Brian Duffy and Mission Specialists Leroy Chiao (Ph.D.), Peter J.K. "Jeff" Wisoff (Ph.D.), Michael E. Lopez-Alegria and William Surles "Bill" McArthur Jr. The crew are taking part in a Leak Seal Kit Fit Check. The mission payload also includes an integrated truss structure (Z-1 truss). Launch of STS-92 is scheduled for Feb. 24, 2000

JSC2005-E-40271 (1 Oct. 2005) --- A Soyuz rocket launches from the Baikonur Cosmodrome, Kazakhstan with astronaut William S. (Bill) McArthur, Jr., Expedition 12 commander; cosmonaut Valery I. Tokarev, flight engineer and Soyuz commander; and U.S. spaceflight participant Gregory Olsen aboard. The trio is on a mission to the International Space Station lasting six months for McArthur and Tokarev. Olsen will return with the current station crew, Expedition 11, after ten days in space under a commercial contract with the Russian Federal Space Agency. Photo Credit: NASA/Victor Zelentsov

JSC2006-E-16029 (9 April 2006) --- A Russian search and rescue helicopter flies over Arkalyk airport, Kazakhstan. Astronaut William S. (Bill) McArthur, Jr., Expedition 12 commander and NASA space station science officer; cosmonaut Valery I. Tokarev, flight engineer and Soyuz commander representing Russia's Federal Space Agency; and Brazilian astronaut Marco C. Pontes brought their Soyuz TMA-7 capsule to a pre-dawn landing on April 9, 2006 (Kazakhstan time). McArthur and Tokarev completed six months in space on the station, while Pontes spent 10 days in orbit. Photo Credit: NASA/Victor Zelentsov

JSC2005-E-18896 (12 May 2005) --- Astronaut William S. McArthur, Jr., Expedition 12 commander and NASA Space Station science officer; and cosmonaut Valery I. Tokarev (obscured), Station flight engineer representing Russia's Federal Space Agency, are submerged in the waters of the Neutral Buoyancy Laboratory (NBL) at Johnson Space Center (JSC). McArthur and Tokarev are wearing training versions of the Extravehicular Mobility Unit (EMU) space suit. SCUBA-equipped divers are in the water to assist the crewmembers in their rehearsal, intended to help prepare them for work on the exterior of the International Space Station.

S93-45068 (22 Sept 1993) --- Two members of the STS-58 Spacelab Life Sciences (SLS-2) crew, train with amateur radio equipment at the Johnson Space Center (JSC). They are William S. McArthur (left), mission specialist, and Richard A. Searfoss, pilot. The STS-58 flight will carry the Shuttle Amateur Radio Experiment (SAREX) payload, configuration C, which includes FM voice and packet. Three of the seven crewmembers are licensed amateur radio operators. Searfoss' call letters are KC5CKM; McArthur, KC5ACR; and payload specialist Martin J. Fettman, KC5AXA. Licensed students at a number of schools around the country will have the opportunity to talk directly with the astronauts during the 14-day flight.

In the Operations and Checkout Building, STS-92 Mission Specialist William S. McArthur Jr. has the gloves on his launch and entry suit adjusted during fit check. McArthur and the rest of the crew are at KSC for Terminal Countdown Demonstration Test activities. The TCDT provides emergency egress training, simulated countdown exercises and opportunities to inspect the mission payload. This mission will be McArthur’s third Shuttle flight. STS-92 is scheduled to launch Oct. 5 at 9:38 p.m. EDT from Launch Pad 39A on the fifth flight to the International Space Station. It will carry two elements of the Space Station, the Integrated Truss Structure Z1 and the third Pressurized Mating Adapter. The mission is also the 100th flight in the Shuttle program

During pre-pack and fit check in the Operations and Checkout Building, STS-92 Mission Specialist William S. McArthur Jr. uses a laptop computer while garbed in his full launch and entry suit. McArthur and the rest of the crew are at KSC for Terminal Countdown Demonstration Test activities. The TCDT provides emergency egress training, simulated countdown exercises and opportunities to inspect the mission payload. This mission will be McArthur’s third Shuttle flight. STS-92 is scheduled to launch Oct. 5 at 9:38 p.m. EDT from Launch Pad 39A on the fifth flight to the International Space Station. It will carry two elements of the Space Station, the Integrated Truss Structure Z1 and the third Pressurized Mating Adapter. The mission is also the 100th flight in the Shuttle program

During pre-pack and fit check in the Operations and Checkout Building, STS-92 Mission Specialist William S. McArthur Jr. uses a laptop computer while garbed in his full launch and entry suit. McArthur and the rest of the crew are at KSC for Terminal Countdown Demonstration Test activities. The TCDT provides emergency egress training, simulated countdown exercises and opportunities to inspect the mission payload. This mission will be McArthur’s third Shuttle flight. STS-92 is scheduled to launch Oct. 5 at 9:38 p.m. EDT from Launch Pad 39A on the fifth flight to the International Space Station. It will carry two elements of the Space Station, the Integrated Truss Structure Z1 and the third Pressurized Mating Adapter. The mission is also the 100th flight in the Shuttle program

Workers prepare to open the hatch of the Soyuz TMA-7 spacecraft moments after its touchdown in the steppes of Kazakhstan, Sunday, April 9, 2006. Inside were Commander and International Space Station Science Officer, William S. McArthur Jr.; Russia’s Federal Space Agency Flight Engineer and Soyuz Commander, Valery I. Tokarev and Brazil’s first astronaut in space, Marcos C. Pontes representing the Brazilian Space Agency. Photo Credit: (NASA/Bill Ingalls)

ISS012-E-18233 (14 Feb. 2006) --- Astronaut William S. (Bill) McArthur (right), Expedition 12 commander and NASA space station science officer, and cosmonaut Valery I. Tokarev, flight engineer representing Russia's Federal Space Agency, work with the Treadmill Vibration Isolation System (TVIS) during in-flight maintenance (IFM) in the Zvezda Service Module of the International Space Station.

ISS012-E-18234 (14 Feb. 2006) --- Astronaut William S. (Bill) McArthur, Jr. (right), Expedition 12 commander and NASA space station science officer, and cosmonaut Valery I. Tokarev, flight engineer representing Russia's Federal Space Agency, work with the Treadmill Vibration Isolation System (TVIS) in the Zvezda Service Module of the International Space Station.

JSC2005-E-36547 (26 Aug. 2005) --- Attired in Russian Sokol suits, the Soyuz TMA-7 crew pauses from a busy training schedule in Star City, Russia to pose for a crew portrait. From the left are Greg Olsen, Soyuz Spaceflight Participant; cosmonaut Valery I. Tokarev, Expedition 12 flight engineer and Soyuz commander, and astronaut William S. McArthur, Jr., Expedition 12 commander and NASA Space Station science officer.

ISS012-E-15167 (13 Jan. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, maneuvers the Space Station Remote Manipulator System (SSRMS) or Canadarm2 in the Destiny laboratory of the International Space Station during a survey of the Unity node Nadir Active Common Berthing Mechanism (ACBM) to look for possible debris or damage on the sealing surface.

ISS011-E-14192 (8 October 2005) --- Russian Federal Space Agency cosmonaut Sergei K. Krikalev (right), Expedition 11 commander; astronaut William S. McArthur Jr. (center), Expedition 12 commander and NASA science officer; and U. S. Spaceflight Participant Gregory Olsen are pictured in the Destiny laboratory of the international space station following the ceremony of Changing-of-Command from Expedition 11 to Expedition 12.

ISS012-E-24236 (8 April 2006) --- Backdropped by a blue and white Earth, the Soyuz TMA-7 spacecraft departs from the International Space Station carrying astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer; Russian Federal Space Agency cosmonaut Valery I. Tokarev, flight engineer; and Brazilian Space Agency astronaut Marcos C. Pontes. Undocking occurred at 2:48 p.m. (CDT) on April 8.

ISS012-E-14993 (12 Jan. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, maneuvers the Space Station Remote Manipulator System (SSRMS) or Canadarm2 during a video inspection of the Mobile Transporter (MT) Interface Umbilical Assembly 1 (IUA) using the Dynamic Onboard Ubiquitous Graphics (DOUG) software in the Destiny laboratory of the International Space Station.

ISS012-E-19194 (5 March 2006) --- Astronaut William S. (Bill) McArthur (left), Expedition 12 commander and NASA space station science officer, and cosmonaut Valery I. Tokarev, flight engineer representing Russia's Federal Space Agency, pose with a U.S. Extravehicular Mobility Unit (EMU) spacesuit (left) and Russian Orlan spacesuit in the Destiny laboratory of the International Space Station.

ISS012-E-13047 (20 Dec. 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, works at the back panel of the Atmosphere Revitalization (AR) rack in the Destiny laboratory of the International Space Station as he prepares to perform in-flight maintenance (IFM) on the Major Constituent Analyzer (MCA).

Astronaut William S. (Bill) McArthur, Jr., left, Expedition 12 Commander and space station Science Officer; Valery I. Tokarev, Flight Engineer and Soyuz commander; are helped from a plane after their landing. The Expedition 12 crew brought their Soyuz TMA-7 capsule to a pre-dawn landing on Sunday, April 9, 2006 at 7:48 p.m. EDT. Photo Credit: (NASA/Bill Ingalls)

STS058-S-092 (18 Oct 1993) --- The Space Shuttle Columbia, with a crew of seven and a science module aboard, lifts off from Launch Complex 39 at Kennedy Space Center (KSC), leaving its reflection in nearby marsh. Launch occurred at 10:53 a.m. (EDT), October 18, 1993. Onboard were astronauts John E. Blaha, Richard A. Searfoss, Rhea Seddon, Shannon W. Lucid, David A. Wolf and William S. McArthur along with payload specialist Martin J. Fettman.

ISS012-E-12577 (16 Dec. 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, sets up the Space Linear Acceleration Mass Measurement Device (SLAMMD) hardware attached to the Human Research Facility (HRF) rack in the Destiny laboratory of the International Space Station.

ISS012-E-06012 (23 October 2005) --- Cosmonaut Valery I. Tokarev (left), Expedition 12 flight engineer representing Russia's Federal Space Agency, dons his Extravehicular Mobility Unit (EMU) spacesuit in the Quest Airlock of the international space station. Astronaut William S. McArthur Jr., commander and NASA science officer, assisted Tokarev. When the Expedition 12 crew performs its first scheduled day of spacewalking on Nov. 7, it will be attired in the NASA EMU.

ISS012-E-14529 (10 Jan. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, performs Foot/Ground Reaction Forces During Spaceflight (FOOT) experiment set-up operations in the Destiny laboratory of the International Space Station. Foot Ground Interface Flight Calibration Unit (FGI-FCU) is visible upper right and the Lower Extremity Monitoring Suit (LEMS) is visible in the foreground.

ISS012-E-06022 (26 Oct. 2005) --- Astronaut William S. McArthur Jr., Expedition 12 commander and NASA science officer, works with Extravehicular Mobility Unit (EMU) spacesuits in the Quest airlock of the international space station. When the Expedition 12 crew performs its first scheduled day of spacewalking on Nov. 7, it will be attired in the NASA EMU.

ISS012-E-24218 (8 April 2006) --- Backdropped by a blanket of clouds, the Soyuz TMA-7 spacecraft departs from the International Space Station carrying astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer; Russian Federal Space Agency cosmonaut Valery I. Tokarev, flight engineer; and Brazilian Space Agency astronaut Marcos C. Pontes. Undocking occurred at 2:48 p.m. (CDT) on April 8.

1990 Group 13 Astronaut Candidates (ASCANs) (left to right) Bernard J. Harris, Jr, Susan J. Helms, and William S. McArthur, Jr open dehydrated food packages during wilderness survival training at Fairchild Air Force Base (AFB) in Spokane, Washington. The training was conducted in the mountain forests of Washington from 08-26-90 through 08-30-90.

ISS012-E-14518 (10 Jan. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, talks to Mission Control Center while holding the Total Force Foot Ground Interface (TF-FGI) during Foot/Ground Reaction Forces During Spaceflight (FOOT) experiment set-up operations in the Destiny laboratory of the International Space Station. The Foot Ground Interface Flight Calibration Unit (FGI-GCU) is visible at right.

ISS012-E-21181 (21 March 2006) --- Astronaut William S. McArthur Jr., Expedition 12 commander and NASA science officer, talks on the ARISS (Amateur Radio on the International Space Station) inside the Zarya Functional Cargo Block during his scheduled amateur radio session. This session is with the Sir James Lougheed Elementary School, Calgary, Alberta, Canada.

ISS012-E-06020 (26 October 2005) --- Astronaut William S. McArthur Jr., Expedition 12 commander and NASA science officer, works with Extravehicular Mobility Unit (EMU) spacesuits in the Quest airlock of the international space station. When the Expedition 12 crew performs its first scheduled day of spacewalking on Nov. 7, it will be attired in the NASA EMU.

STS074-S-002(August 1995) --- These five NASA astronauts including one Canadian are in training for the STS-74 mission of the Space Shuttle Atlantis, scheduled later this year. Astronauts Kenneth D. Cameron (front right) and James D. Halsell Jr. (front left) are commander and pilot, respectively, for the flight. On the back row, left to right, are astronauts William McArthur Jr., Jerry L Ross and Chris A. Hadfield, all mission specialists. Hadfield is an international mission specialist representing the Canadian Space Agency (CSA).

ISS012-E-12641 (16 Dec. 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, stows the Space Linear Acceleration Mass Measurement Device (SLAMMD) hardware after conducting test operations. SLAMMD hardware was stowed in a stowage drawer on the Human Research Facility (HRF) rack in the Destiny laboratory of the International Space Station.

ISS012-E-06011 (23 Oct. 2005) --- Cosmonaut Valery I. Tokarev (left), Expedition 12 flight engineer representing Russia's Federal Space Agency, dons his Extravehicular Mobility Unit (EMU) spacesuit in the Quest Airlock of the international space station. Astronaut William S. McArthur Jr., commander and NASA science officer, assisted Tokarev. When the Expedition 12 crew performs its first scheduled day of spacewalking on Nov. 7, it will be attired in the NASA EMU.

STS58-S-126 (1 Nov 1993) --- The Space Shuttle Columbia is about to touch down on the runway at Edwards Air Force Base (EAFB) in California. The landing, which occurred at 7:06 a.m. (PST), November 1, 1993, completed a two week mission in space devoted to medical research. Onboard the spacecraft were astronauts John E. Blaha, Richard A. Searfoss, Rhea Seddon, Shannon W. Lucid, David A. Wolf and William S. McArthur along with payload specialist Martin J. Fettman, DVM.

ISS012-E-17025 (23 Jan. 2006) --- Cosmonaut Valery I. Tokarev (left), Expedition 12 flight engineer representing Russia's Federal Space Agency, and astronaut William S. (Bill) McArthur, commander and NASA space station science officer, unpack the Radioskaf (SuitSat) package sent up on a Progress spacecraft. It contained instructions and a compact disk that included items such as artwork and photos from different schools.

ISS012-E-19203 (5 March 2006) --- Astronaut William S. (Bill) McArthur (left), Expedition 12 commander and NASA space station science officer, and cosmonaut Valery I. Tokarev, flight engineer representing Russia's Federal Space Agency, pose with a U.S. Extravehicular Mobility Unit (EMU) spacesuit (left) and Russian Orlan spacesuit in the Destiny laboratory of the International Space Station.

ISS012-E-15190 (13 Jan. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, maneuvers the Space Station Remote Manipulator System (SSRMS) or Canadarm2 in the Destiny laboratory of the International Space Station during a survey of the Unity node Nadir Active Common Berthing Mechanism (ACBM) to look for possible debris or damage on the sealing surface.

ISS012-E-08727 (16 November 2005) --- Astronaut William S. (Bill) McArthur Jr. (left), Expedition 12 commander and NASA space station science officer, and cosmonaut Valery I. Tokarev, flight engineer representing Russia's Federal Space Agency, work at the Simvol-Ts / TORU workstation in the Zvezda Service Module of the international space station during onboard training for relocation of the Soyuz TMA-7 spacecraft.

The two Expedition 12 crew members and a Brazilian astronaut are met by a couple of dozen greeters on hand at the landing site of the Soyuz TMA-7 spacecraft in the steppes of Kazakhstan on Sunday, April 9, 2006. Still wearing their spacesuits (in the foreground, left to right) are Marcos C. Pontes of Brazil, Valery I. Tokarev of Russia's Federal Space Agency and William S. McArthur Jr. Photo Credit: (NASA/Bill Ingalls)

ISS012-E-16162 (18 Jan. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, configures the Microgravity Science Glovebox (MSG) facility to prepare for the installation and activation of the Protein Crystal Growth Monitoring by Digital Holographic Microscope (PromISS) experiment in the Destiny laboratory on the International Space Station.

ISS012-S-002 (8 June 2005) --- Astronaut William S. McArthur, Jr. (left), Expedition 12 commander and NASA Space Station science officer, and cosmonaut Valery I. Tokarev, flight engineer representing Russia's Federal Space Agency, pause from their training schedule to pose for their official crew portrait at Johnson Space Center (JSC). The two are scheduled to be launched to the International Space Station in early fall of this year in a Soyuz TMA-7 spacecraft.

ISS012-E-06006 (23 October 2005) --- Cosmonaut Valery I. Tokarev (left), Expedition 12 flight engineer representing Russia's Federal Space Agency, dons his Extravehicular Mobility Unit (EMU) spacesuit in the Quest Airlock of the international space station. Astronaut William S. McArthur Jr., commander and NASA science officer, assisted Tokarev. When the Expedition 12 crew performs its first scheduled day of spacewalking on Nov. 7, it will be attired in the NASA EMU.

ISS012-E-16184 (18 Jan. 2006) --- Astronaut William S. (Bill) McArthur, Jr., Expedition 12 commander and NASA space station science officer, sets up the Protein Crystal Growth Monitoring by Digital Holographic Microscope (PromISS) experiment hardware inside the Microgravity Science Glovebox (MSG) facility in the Destiny laboratory on the International Space Station.

ISS012-E-16237 (19 Jan. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, configures the Microgravity Science Glovebox (MSG) facility to prepare for the installation and activation of the Protein Crystal Growth Monitoring by Digital Holographic Microscope (PromISS) experiment in the Destiny laboratory on the International Space Station.

JSC2005-E-36549 (26 August 2005) --- Attired in Russian Sokol suits, cosmonaut Valery I. Tokarev, Expedition 12 flight engineer and Soyuz commander, and astronaut William S. McArthur, Jr., Expedition 12 commander and NASA Space Station science officer, pause from a busy training schedule in Star City, Russia to pose for a crew portrait.

ISS012-E-10817 (9 December 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, opens the back panel of the Crew Health Care System (CHeCS) rack and removes the Avionics Air Assembly (AAA) air ducts during in-flight maintenance (IFM) in the Destiny laboratory of the International Space Station.

Brazilian astronaut Marcos C. Pontes, left, Expedition 12 crew members, Valery I. Tokarev, Flight Engineer and Soyuz Commander, and William S. (Bill) McArthur, Jr., right, Expedition 12 commander and space station Science Officer. Expedition 12 returned to Earth and landed in the steppes of Kazakhstan. The Soyuz TMA-7 spacecraft touched down at 7:48 p.m. EDT, Sunday, April 9, 2006. Photo Credit: (NASA/Bill Ingalls)

STS058-S-090 (18 Oct 1993) --- Creating large clouds of smoke the Space Shuttle Columbia lifts off from Launch Complex 39 at Kennedy Space Center (KSC). Liftoff occurred at 10:53 a.m. (EDT), October 18, 1993. Along with its Spacelab Life Sciences-2 payload, Columbia carries astronauts John E. Blaha, Richard A. Searfoss, Rhea Seddon, Shannon W. Lucid, David A. Wolf and William S. McArthur along with payload specialist Martin J. Fettman.

ISS012-E-17036 (23 Jan. 2006) --- Astronaut William S. (Bill) McArthur (foreground), Expedition 12 commander and NASA space station science officer, and cosmonaut Valery I. Tokarev, flight engineer representing Russia's Federal Space Agency, watch the contents of a compact disk at a work station in the Zvezda Service Module of the International Space Station. The compact disk was in the Radioskaf (SuitSat) package delivered to the station by a Progress spacecraft.

JSC2008-E-008416 (29 Jan. 2008) --- United Space Alliance (USA) instructor David L. Williams (center) briefs STS-125 crewmembers during a training session in the Space Vehicle Mockup Facility at the Johnson Space Center. Crewmembers pictured are K. Megan McArthur (left), Michael T. Good, John M. Grunsfeld (second right), all mission specialists; and Gregory C. Johnson (right), pilot.

ISS012-E-10806 (9 December 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, rotates the Crew Health Care System (CHeCS) rack in order to access the Avionics Air Assembly (AAA) air ducts during in-flight maintenance (IFM) in the Destiny laboratory of the International Space Station.

ISS012-E-24238 (8 April 2006) --- Backdropped by a blue and white Earth, the Soyuz TMA-7 spacecraft departs from the International Space Station carrying astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer; Russian Federal Space Agency cosmonaut Valery I. Tokarev, flight engineer; and Brazilian Space Agency astronaut Marcos C. Pontes. Undocking occurred at 2:48 p.m. (CDT) on April 8.

ISS012-E-24219 (8 April 2006) --- Backdropped by a blanket of clouds, the Soyuz TMA-7 spacecraft departs from the International Space Station carrying astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer; Russian Federal Space Agency cosmonaut Valery I. Tokarev, flight engineer; and Brazilian Space Agency astronaut Marcos C. Pontes. Undocking occurred at 2:48 p.m. (CDT) on April 8.

ISS012-E-24211 (8 April 2006) --- Backdropped by a blanket of clouds, the Soyuz TMA-7 spacecraft departs from the International Space Station carrying astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer; Russian Federal Space Agency cosmonaut Valery I. Tokarev, flight engineer; and Brazilian Space Agency astronaut Marcos C. Pontes. Undocking occurred at 2:48 p.m. (CDT) on April 8.

ISS012-E-16245 (19 Jan. 2006) --- Astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, configures the Microgravity Science Glovebox (MSG) facility to prepare for the installation and activation of the Protein Crystal Growth Monitoring by Digital Holographic Microscope (PromISS) experiment in the Destiny laboratory on the International Space Station.

ISS012-E-24266 (8 April 2006) --- Cosmonaut Valery I. Tokarev (left), Expedition 12 flight engineer representing Russia's Federal Space Agency; Brazilian Space Agency astronaut Marcos C. Pontes; and astronaut William S. (Bill) McArthur, Expedition 12 commander and NASA space station science officer, pose for a photo in the Zvezda Service Module of the International Space Station prior to their departure in a Soyuz TMA-7 spacecraft.

ISS012-E-10792 (9 December 2005) --- Astronaut William S. (Bill) McArthur Jr., Expedition 12 commander and NASA space station science officer, prepares to remove the Avionics Air Assembly (AAA) from the Crew Health Care System (CHeCS) rack during in-flight maintenance (IFM) in the Destiny laboratory of the International Space Station.