Encyclopedia Astronautica
Mastracchio



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Mastracchio
Credit: www.spacefacts.de - www.spacefacts.de
Mastracchio, Richard Alan 'Rick' (1960-) American engineer mission specialist astronaut. Flew on STS-106, STS-118, STS-131.

Educated Connecticut; Rensselaer; Houston-Clear Lake. Total EVA Time: 0.76 days. Number of EVAs: 3.


NASA Official Biography

NAME: Richard A. "Rick" Mastracchio
NASA Astronaut Candidate (Mission Specialist)

PERSONAL DATA:
Born February 11, 1960 in Waterbury, Connecticut. Married to the former Candace L. Stolfi of Waterbury, Connecticut. They have three children. He enjoys flying, baseball, basketball, swimming, wood working, spending time with his family. His parents, Ralph and Georgiana Mastracchio, reside in Waterbury, Connecticut. Her mother, Helen Cooke, resides in Cheshire, Connecticut.

EDUCATION:
Graduated from Crosby High School, Waterbury, Connecticut, in 1978; received a bachelor of science degree in electrical engineering/computer science from the University of Connecticut in 1982, a master of science of degree in electrical engineering from Rensselaer Polytechnic Institute in 1987, and a master of science degree in physical science from the University of Houston-Clear Lake in 1991.

ORGANIZATIONS:
Member, Institute of Electrical and Electronics Engineers.

EXPERIENCE:
Rick Mastracchio worked for Hamilton Standard in Connecticut as an engineer in the system design group from 1982 until 1987. During that time, he participated in the development of high performance, strapped-down inertial measurement units and flight control computers.

NASA EXPERIENCE:
In 1987, Mastracchio moved to Houston, Texas, to work for the Rockwell Shuttle Operations Company at the Johnson Space Center. In 1990, he joined NASA as an engineer in the Flight Crew Operations Directorate. His duties included the development of space shuttle flight software requirements, the verification of space shuttle flight software in the Shuttle Avionics Integration Laboratory, and the development of ascent and abort crew procedures for the Astronaut Office.

From 1993 until 1996, he worked as an ascent/entry Guidance and Procedures Officer (GPO) in Mission Control. An ascent/entry GPO has both pre-mission and real time Space Shuttle support responsibilities in the areas of onboard guidance, navigation, and targeting. During that time, he supported seventeen missions as a flight controller. In April 1996, Mastracchio was selected as an Astronaut Candidate. In August 1996, he started two years of training and evaluation. Successful completion of initial training will qualify him for various technical assignments leading to selection as a mission specialist on a Space Shuttle flight crew.

JANUARY 1997

Birth Place: Waterbury, Connecticut.
Status: Active.


Born: 1960.02.11.
Spaceflights: 3 .
Total time in space: 39.66 days.

More... - Chronology...


Associated Countries
See also
  • NASA Group 16 - 1996 Requirement: pilot, engineer, and scientist astronauts for space shuttle flights. Nickname: The Sardines (named because that's how packed they were; at 44 this was the largest ASCAN class of all time) More...

Associated Flights
  • STS-106 Crew: Altman, Burbank, Lu, Malenchenko, Mastracchio, Morukov, Wilcutt. Docked with ISS. Outfitted the new Zvezda module for the arrival of the first permanent EO-1 crew. More...
  • STS-118 Crew: Kelly Scott, Hobaugh, Caldwell, Mastracchio, Williams Dave, Morgan, Drew. ISS logistic mission. Delivered consumables, and completed necessary supplementary assembly, repair, and external equipment moves necessary for the next major stage of ISS assembly. More...
  • STS-131 Crew: Poindexter; Dutton; Metcalf-Lendenburger; Wilson; Mastracchiio; Yamazaki; Anderson,Clayton. Contingency flight to assure ISS completion; nominal payload EXPRESS Logistics Carrier 3 (ELC3) and EXPRESS Logistics Carrier 4 (ELC4). More...

Associated Programs
  • ISS Finally completed in 2010 after a torturous 25-year development and production process, the International Space Station was originally conceived as the staging post for manned exploration of the solar systrem. Instead, it was seemed to be the death knell of manned spaceflight. More...

Bibliography
  • NASA Astronaut Biographies, Johnson Space Center, NASA, 1995-present. Web Address when accessed: here.

Mastracchio Chronology


1983 December 5 - .
  • NASA Astronaut Training Group 16 selected. - . Nation: USA. Related Persons: Brown, David; Burbank; Cagle; Caldeiro; Camarda; Carey; Clark; Fincke; Forrester; Frick; Guidoni; Herrington; Higginbotham; Hobaugh; Kelly; Kelly, Mark; Kelly, Scott; Lockhart; Loria; Magnus; Massimino; Mastracchio; McCool; Morin; Nowak; Pettit; Phillips. The group was selected to provide pilot, engineer, and scientist astronauts for space shuttle flights.. Qualifications: Pilots: Bachelor's degree in engineering, biological science, physical science or mathematics. Advanced degree desirable. At least 1,000 flight-hours of pilot-in-command time. Flight test experience desirable. Excellent health. Vision minimum 20/50 uncorrected, correctable to 20/20 vision; maximum sitting blood pressure 140/90. Height between 163 and 193 cm.

    Mission Specialists: Bachelor's degree in engineering, biological science, physical science or mathematics and minimum three years of related experience or an advanced degree. Vision minimum 20/150 uncorrected, correctable to 20/20. Maximum sitting blood pressure of 140/90. Height between 150 and 193 cm.. 10 pilots and 25 mission specialists selected from over 2,400 applicants. 9 additional international astronauts.


2000 February 24 - .
2000 September 8 - .
  • STS-106 Mission Status Report #01 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. Space Shuttle Atlantis rocketed into space at 7:46 this morning and is on course to rendezvous and dock with the International Space Station shortly before 1 a.m. Sunday. At the time of Atlantis' launch, the 67-ton station was flying above Hungary, southwest of Budapest. Additional Details: here....

2000 September 8 - .
  • STS-106 Mission Status Report #02 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. Summary: Once in orbit, the crew quickly packed up its ascent suits and unpacked equipment to ready the orbiter for the 11-day mission before turning in at 12:46 p.m. for its first sleep period. The crew will wake up at 8:46 this evening.. Additional Details: here....

2000 September 8 - . 12:45 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC39B. LV Family: Shuttle. Launch Vehicle: Shuttle. LV Configuration: Space Shuttle STS-106.
  • STS-106 - . Call Sign: Atlantis. Crew: Wilcutt; Altman; Burbank; Lu; Mastracchio; Malenchenko; Morukov. Payload: Atlantis F22. Nation: USA. Related Persons: Wilcutt; Altman; Burbank; Lu; Mastracchio; Malenchenko; Morukov. Agency: NASA Houston. Manufacturer: Boeing. Program: ISS. Class: Manned. Type: Manned spaceplane. Flight: STS-106. Spacecraft: Atlantis. Duration: 11.80 days. Decay Date: 2000-09-20 . USAF Sat Cat: 26489 . COSPAR: 2000-053A. Apogee: 387 km (240 mi). Perigee: 375 km (233 mi). Inclination: 51.6000 deg. Period: 92.20 min. Atlantis was launched from Kennedy Space Center's Launch Complex 39B. Solid rocket boosters RSRM-75 and external tank ET-103 were used to loft the orbiter into space. The inital orbit of 72 x 328 km x 51.6 deg was circularised by the Shuttle's OMS engines at apogee.

    Atlantis docked with the PMA-2 adapter on the International Space Station at 05:51 GMT on September 10. The orbiter's small RCS engines were used to gently reboost the station's orbit several times.

    Astronauts Lu and Malenchenko made a spacewalk on September 11 beginning at 04:47 GMT. They rode the RMS arm up to Zvezda and began installing cables, reaching a distance of 30 meters from the airlock when installing Zvezda's magnetometer. Total EVA duration was 6 hours 21 minutes.

    During their 12-day flight, the astronauts spent a week docked to the International Space Station during which they worked as movers, cleaners, plumbers, electricians and cable installers. In all, they spent 7 days, 21 hours and 54 minutes docked to the International Space Station, outfitting the new Zvezda module for the arrival of the Expedition One crew later this fall.

    The Shuttle undocked from ISS at 03:44 GMT on September 18 and made two circuits of the station each lasting half an orbit, before separating finally at 05:34 GMT. The payload bay doors were closed at 04:14 GMT on September 20 and at 06:50 GMT the OMS engines ignited for a three minute burn lowering the orbit from 374 x 386 km x 51.6 deg to 22 x 380 km x 51.6 deg. After entry interface at 07:25 GMT, the orbiter glided to a landing on runway 15 at Kennedy Space Center with main gear touchdown at 07:56:48 GMT for a mission duration of 283 hr 11min.


2000 September 9 - .
  • STS-106 Mission Status Report #04 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. STS-106 Mission Commander Terry Wilcutt along with his crew, Pilot Scott Altman and Mission Specialists Ed Lu, Rick Mastracchio, Dan Burbank, Yuri Malenchenko and Boris Morukov, were awakened at 5:46 p.m. CDT today. The wake up song from Mission Control was " I Say a Little Prayer" which was played for Wilcutt. All seven astronauts are now busy with final preparations for the docking with the International Space Station set for early tomorrow morning. Atlantis is planned to make the third docking with the station at 12:52 a.m. Additional Details: here....

2000 September 9 - .
  • STS-106 Mission Status Report #03 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. Their first full day in space was a busy one for the astronauts and cosmonauts aboard Atlantis as they moved ever closer to an early Sunday morning linkup with the International Space Station. Docking is scheduled to occur at 12:52 a.m. central time Sunday as the two spacecraft soar high above Kazakhstan. Additional Details: here....

2000 September 10 - .
  • STS-106 Mission Status Report #05 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. Commander Terry Wilcutt steered Space Shuttle Atlantis to a smooth link-up with the International Space Station at 12:51 a.m. CDT Sunday, setting the stage for six days of outfitting to make the orbiting outpost ready for its first residents in early November. Additional Details: here....

2000 September 10 - .
  • STS-106 Mission Status Report #06 - . Nation: USA. Related Persons: Burbank; Malenchenko; Mastracchio; Lu. Program: ISS. Flight: STS-106. The seven member STS-106 crew was awakened just before 7 p.m. CDT to begin its fourth day of orbital activities and its first full day of docked operations with the International Space Station. The main focus of today's efforts will be a 6 ½ hour space walk conducted by Mission Specialists Ed Lu and Yuri Malenchenko. Additional Details: here....

2000 September 11 - .
  • STS-106 Mission Status Report #07 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Wilcutt; Lu. Program: ISS. Flight: STS-106. Summary: Astronaut Ed Lu and cosmonaut Yuri Malenchenko took a 6 hour, 14 minute walk outside the shuttle this morning to complete final connections between the International Space Station's newest module, Zvezda and its first component, Zarya.. Additional Details: here....

2000 September 11 - .
  • STS-106 Mission Status Report #08 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. STS-106 Commander Terry Wilcutt along with Pilot Scott Altman and Mission Specialists Ed Lu, Rick Mastracchio, Dan Burbank, Yuri Malenchenko and Boris Morukov were awakened at 6:46 p.m. this evening to begin their third day of docked operations. The wake up song, The Hukilau Song by Big Kahuna and the Copa Cat Pack, was played for Lu at the request of his sister. Additional Details: here....

2000 September 12 - .
  • STS-106 Mission Status Report #10 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. The additional mission day will give Wilcutt, Pilot Scott Altman and Mission Specialists Ed Lu, Rick Mastracchio, Dan Burbank, Yuri Malenchenko and Boris Morukov more time to prepare the orbiting facility for the arrival of the first station crew when it docks to the station in early November. Additional Details: here....

2000 September 13 - .
  • STS-106 Mission Status Report #11 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. Summary: Electrical work was the hallmark of the day as four of the mission specialists aboard Atlantis and the International Space Station replaced batteries inside the Zarya and Zvezda modules while supply transfer continued around them.. Additional Details: here....

2000 September 13 - .
  • STS-106 Mission Status Report #12 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. The STS-106 astronauts aboard Space Shuttle Atlantis were awakened just before 7 p.m. Central to begin another day of electrical work and transfer activities as they near the halfway point of docked operations with the International Space Station. With 189 hours, 40 minutes of planned Atlantis-ISS docked time, the halfway point of docked operations will be reached at 11:45 p.m. this evening. Additional Details: here....

2000 September 14 - .
  • STS-106 Mission Status Report #14 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. The seven astronauts aboard the Atlantis-International Space Station will soon resume their transfer activities as they start their 5th day of docked operations inside the orbiting facility. As of the start of their workday today, approximately one third of the almost three tons of supplies and equipment have already been moved into the station. Additional Details: here....

2000 September 14 - .
  • STS-106 Mission Status Report #13 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. Astronauts aboard the International Space Station earlier today completed final electrical installations in both the Zvezda and Zarya modules and transferred another station-based experiment to demonstrate control technologies to suppress unwanted vibrations. Additional Details: here....

2000 September 15 - .
  • STS-106 Mission Status Report #16 - . Nation: USA. Related Persons: Altman; Mastracchio; Lu. Program: ISS. Flight: STS-106. Summary: With one full day of docked operations remaining to complete its work on the International Space Station (ISS), the seven-member crew of Space Shuttle Atlantis continued setting up equipment for the station's first inhabitants.. Additional Details: here....

2000 September 15 - .
  • STS-106 Mission Status Report #15 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. Summary: The International Space Station got another boost overnight, as STS-106 Commander Terry Wilcutt and Pilot Scott Altman executed another hour-long series of thruster firings designed to raise the station's orbit by several more miles.. Additional Details: here....

2000 September 16 - .
  • STS-106 Mission Status Report #17 - . Nation: USA. Related Persons: Altman; Burbank; Mastracchio; Morukov; Lu. Program: ISS. Flight: STS-106. Summary: In the final hours of docked operations between Atlantis and the International Space Station the seven member crew continued transferring supplies and equipment, including an exercise treadmill, for use by the first resident crew later this year.. Additional Details: here....

2000 September 16 - .
  • STS-106 Mission Status Report #18 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. STS-106 Mission Commander Terry Wilcutt and his crew were awakened at 6:46 p.m. Central to begin their final full day of docked operations with the International Space Station. By the end of their workday on Sunday morning, Atlantis' astronauts will have finished their efforts of making the orbiting facility a home for the arrival of the first permanent residents of the outpost and all of the hatches between Atlantis and the station will have been closed in preparation for the Shuttle's departure on Sunday evening. Additional Details: here....

2000 September 17 - .
  • STS-106 Mission Status Report #20 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Ross; Wilcutt; Lu. Program: ISS. Flight: STS-106. Following a successful week of docked operations, the seven astronauts aboard Shuttle Atlantis will depart the International Space Station later this evening, leaving behind the more than three tons (6,600 pounds) of supplies and equipment that was transferred to the orbiting facility. Additional Details: here....

2000 September 18 - .
  • STS-106 Mission Status Report #22 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. Having departed the International Space Station last night, Atlantis' crew will now spend a day checking the shuttle's equipment and stowing away gear in preparation for the trip home, aiming for a 2:56 a.m. CDT landing on Wednesday at the Kennedy Space Center in Florida. Additional Details: here....

2000 September 18 - .
2000 September 19 - .
  • STS-106 Mission Status Report #24 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. The STS-106 astronauts aboard Space Shuttle Atlantis are preparing for their return to Earth with a planned predawn touchdown on the 3-mile long Shuttle Landing Facility runway at the Kennedy Space Center at 2:56 a.m. CDT Wednesday. The forecasted weather for early Wednesday shows essentially favorable conditions with some concern for rain showers in the vicinity of the Florida spaceport. Additional Details: here....

2000 September 20 - .
  • STS-106 Mission Status Report #25 - . Nation: USA. Related Persons: Altman; Burbank; Malenchenko; Mastracchio; Morukov; Wilcutt; Lu. Program: ISS. Flight: STS-106. Summary: Atlantis and its seven astronauts swooped to a predawn landing at the Kennedy Space Center Wednesday, wrapping up a mission to prepare the initial living quarters of the International Space Station for its first residents.. Additional Details: here....

2000 September 20 - .
2007 August 8 - . 22:36 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC39A. LV Family: Shuttle. Launch Vehicle: Shuttle. LV Configuration: Space Shuttle STS-118.
  • STS-118 - . Call Sign: Endeavour. Crew: Kelly, Scott; Hobaugh; Caldwell; Mastracchio; Williams, Dave; Morgan; Drew. Payload: Endeavour F20 / S5, Spacehab. Mass: 14,036 kg (30,944 lb). Nation: USA. Related Persons: Kelly, Scott; Hobaugh; Caldwell; Mastracchio; Williams, Dave; Morgan; Drew. Agency: NASA. Program: ISS. Class: Manned. Type: Manned spaceplane. Flight: ISS EO-15; STS-118; ISS EO-15-1. Spacecraft: Endeavour. Duration: 12.75 days. Decay Date: 2007-08-21 . USAF Sat Cat: 32008 . COSPAR: 2007-035A. Apogee: 348 km (216 mi). Perigee: 337 km (209 mi). Inclination: 51.6000 deg. Period: 91.40 min. Space Shuttle Endeavour was launched on Aug 8 at 2236 UTC. The STS-118 stack comprised Orbiter OV-105, solid rockets RSRM-97 and external tank ET-117. The solid boosters separated 2 min after launch. At 2245 UTC the orbiter main engines cut off and ET-117 separated into an approximately 57 x 225 km x 51.6 deg orbit. The OMS-2 burn at 2313 UTC put Endeavour in a higher 229 x 317 km orbit as the ET fell back to reentry around 2346 UTC.

    During ascent a large chunk of external tank foam was observed to hit the underside of the orbiter. Examination in orbit using the robotic arm showed a hole in a heat shield tile that went down to the felt mounting pad. There was considerable press discussion of the danger, but as the mission drew to a close NASA decided that no lasting damage would be incurred during reentry to the orbiter structure, and called off a potential extra spacewalk to repair the tile.

    Endeavour docked at the PMA-2 adapter on the Station at 18:02 GMT on 10 August; the hatches were opened at 20:04.

    The 14036 kg of cargo broke down as follows:

    • Bay 1-2: Orbiter Docking System, 1800 kg
    • Bay 1-2: EMU 3010, 130 kg
    • Bay 1-2: EMU 3017, 130 kg
    • Bay 3: Tunnel Adapter, 112 kg
    • Bay 5-7: Spacehab-SM Single Module, 5480 kg: Loaded with research experimental equipment and consumables to be left at the station.
    • Bay 8P: SPDU: Station Power Distribution Unit, will be left at the ISS and allow the Orbiter to draw electricity from the station while docked, allowing longer missions
    • Bay 8-10: S5 Truss, 1584 kg: a short spacer truss installed at the end of the ISS S4 truss during the mission, to eliminate interference with the S6 solar panels when they would be added later
    • Bay 11-12: ESP-3, 3400 kg: External Stowage Platform 3, left at the ISS, provided external storage for spare parts, and was delivered with a spare nitrogen tank for the truss cooling system, a spare truss battery charge/discharge unit (BCDU), a spare Canadarm-2 robot arm pitch roll joint, and a replacement Control Moment Gyro for the Z1 truss
    • Bay 11-12: CMG-3R ORU, 540 kg
    • Sill: OBSS, 450 kg
    • Sill: RMS 201, 410 kg
    The shuttle's RMS 201 robotic arm moved the S5 truss from the payload bay at 20:50 on 10 August. It was handed over to the station's Canadarm-2 robotic arm, which then attached it to the S4 truss at 17:30 on 11 August, with astronauts assisting on the first of four spacewalks of the mission. On 14 August, ESP-3 was unberthed from Endeavour's payload bay and attached to the P3 truss on the Station, where its spare parts can be reached if needed.

    Following successful completion of all cargo delivery and station assembly tasks, the crew returned to Endeavour on 18 August, undocking the next day at 11:56 GMT. Landing was moved up a day ahead of schedule because of concern a hurricane might force evacuation of the Houston Control Center on the originally-planned return date. Endeavour began its deorbit burn at 15:25 GMT on August 21 and lowered its orbit from 336 x 347 km to -28 x 342 km. It landed on runway 15 at Kennedy Space Center at 16:32 GMT. Landing mass was 100,878 kg.


2007 August 11 - . 16:28 GMT - .
2007 August 13 - . 15:32 GMT - .
2007 August 15 - . 14:37 GMT - .
  • EVA STS-118-3 - . Crew: Mastracchio; Anderson, Clayton. EVA Type: Extra-Vehicular Activity. EVA Duration: 0.23 days. Nation: USA. Related Persons: Mastracchio; Anderson, Clayton. Program: ISS. Flight: ISS EO-15; ISS EO-15-2; STS-118. The crew exited into free space at 14:36 GMT. The SASA antenna was relocated from the P6 to the P1 truss, and two CETA carts were moved from S1 to P1. As a precautionary measure Mastracchio retreated to the airlock when he found minor damage to his glove, but Anderson continued working outside for another hour.

2007 August 21 - . 16:32 GMT - .
2010 April 5 - . 10:21 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC39A. LV Family: Shuttle. Launch Vehicle: Shuttle.
  • STS-131 - . Call Sign: Discovery. Crew: Poindexter; Dutton; Metcalf-Lindenburger; Wilson; Mastracchio; Yamazaki; Anderson, Clayton. Payload: Discovery F37 /. Nation: USA. Agency: NASA. Program: ISS. Class: Manned. Type: Manned spaceplane. Flight: STS-131; ISS EO-23; ISS EO-22. Spacecraft: Discovery. Duration: 15.12 days. Decay Date: 2010-04-20 . USAF Sat Cat: 36507 . COSPAR: 2010-012A. Apogee: 346 km (214 mi). Perigee: 322 km (200 mi). Inclination: 51.6000 deg. Period: 91.20 min. Summary: Crew: Poindexter;Dutton;Metcalf-Lendenburger;Wilson;Mastracchiio;Yamazaki;Anderson,Clayton. Contingency flight to assure ISS completion; nominal payload EXPRESS Logistics Carrier 3 (ELC3) and EXPRESS Logistics Carrier 4 (ELC4)..

2010 April 9 - .
  • EVA STS-131-1 - . Crew: Mastracchio; Anderson, Clayton. EVA Type: Extravehicular activity. EVA Duration: 0.27 days. Nation: USA. Program: ISS. Flight: STS-131; ISS EO-23; ISS EO-22. Summary: Relocated a new ammonia tank from the Shuttle's payload bay to a temporary stowage location and disconnected the fluid lines to the old ammonia tank on the S1 truss. Retrieved a Japanese seed experiment from the exterior of the Kibo laboratory for return .

2010 April 11 - .
  • EVA STS-131-2 - . Crew: Mastracchio; Anderson, Clayton. EVA Type: Extravehicular activity. EVA Duration: 0.31 days. Nation: USA. Program: ISS. Flight: STS-131; ISS EO-23; ISS EO-22. Summary: The old ammonia tank was removed from the S1 truss and was replaced with the new tank. The electrical connections to the tank were made, but the fluid lines were deferred to the mission's third EVA due to time constraints since the installation was prolon.

2010 April 13 - .
  • EVA STS-131-3 - . Crew: Mastracchio; Anderson, Clayton. EVA Type: Extravehicular activity. EVA Duration: 0.27 days. Nation: USA. Program: ISS. Flight: STS-131; ISS EO-23; ISS EO-22. Summary: The fluid lines were connected to the new ammonia tank and the old tank was moved to the shuttle's payload bay for return to Earth. Micro-meteoroid debris shields from the Quest airlock which were no longer necessary were brought inside the airlock for re.

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