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this is mission control houston the

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international space station crew has

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executed an awful lot of important

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science operations on board this week

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while they have been in parallel getting

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themselves ready to support the planned

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arrival of a commercial cargo ship at

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the station this weekend

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commander kevin ford kicked off the week

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with a couple of days worth

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troubleshooting a piece of hardware

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called the amine swingbed that's a

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technology demonstration payload that's

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testing whether vacuum-generated amine

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system could work as an effective system

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to remove carbon dioxide from the

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spacecraft environment from the crew

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area

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he did determine that a suspect valve

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was not responsible for the hardware's

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inability to work and did find that the

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culprit was a gearbox a gearbox that was

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removed and prepared for return to earth

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for analysis

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ford and flight engineer tom marshburn

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joined up late in the day to practice

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operations with the canadarm2 for the

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scheduled grapple and birthing of the

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dragon cargo ship which launched this

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morning at 9 10 central time from the

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cape canaveral air force station flight

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engineer chris hadfield helped prepare

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for dragon by getting some special a

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special communications system for dragon

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operations

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set up in the cupola module

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and then packing items that are

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scheduled to be returned to earth when

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dragon

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comes back in late march

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hadfield also took care of science

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payloads initializing the binary

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colloidal alloy test apparatus and

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photographing some samples for that

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physical science investigation

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he was also looking over training

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materials for a material science

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investigation called coarsening in solid

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liquid mixtures which has new experiment

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sample materials on its way to the

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station now

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flight engineers evgeny tarelkin and

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oleg novitskiy began preparations for

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their departure from the station

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along with commander kevin ford nowitzki

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and tarelkin are scheduled to leave the

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station in two weeks time and this week

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they began their first of several days

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work with the lower body negative

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pressure suit that's a russian apparatus

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that uses suction to pull fluids to the

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lower extremities and simulate gravity

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and allows the cosmonauts to evaluate

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their orthostatic stability tuesday this

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week was a science focus day with tom

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marshburn spending much of it supporting

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the spheres vertigo experiment that's an

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mit space systems laboratory

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investigation that employs two of the

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bowling ball-sized satellites the

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spheres satellites

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uses them to create a 3d model of

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another object with the intent that the

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model that's created could then be used

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to inform

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the autonomous navigation of those free

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flyers

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kevin ford started tuesday with a health

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status questionnaire part of the ongoing

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effort to gather information about how

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human bodies respond to being in the

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zero-g environment for an extended

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period

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he then loaded software on a laptop in

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the columbus module for later operations

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with a european space agency

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investigation into ways to improve crew

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efficiency and autonomy

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he spent the rest of the day finishing

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that troubleshooting with the amine

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swingbed

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on wednesday the commander spent a big

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part of his morning working on elements

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of the cruise experiment the issa

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technology demonstrator of possible ways

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to improve efficiency of the crew

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ford worked with the voice activated

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procedure viewer and procedural displays

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he was testing ways in which crew

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members can be more autonomous and more

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efficient in work

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something that be even more critical for

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future explorers on missions where

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communication with earth is much harder

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than it is for the crews today

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hadfield and marshburn spent time

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wednesday on the integrated

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cardiovascular experiment this one aims

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to quantify the decrease in the size of

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a crew member's heart muscle over time

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while in weightlessness that's just one

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component of the research documenting

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how human bodies are affected by being

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in space environment with an eye towards

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discovering ways to counteract the

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negative effects

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flight engineer roman romanenko assisted

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evgeny tarelkin with another session of

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the lower body negative pressure suit

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the routine russian protocol for

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retuning returning crew members

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later he joined his soyuz crewmates

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hadfield and marshburn for a routine

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emergency descent drill that's a

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standard for all crews

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romanenko hadfield and marshburn not

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scheduled to return to earth until may

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on thursday

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novitskiy and tarelkin spent half the

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day laying cables in the russian segment

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of the station to support the plasma

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wave experiment that's going to measure

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the electromagnetic field around the

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outside of the station

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the exterior hardware installation for

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that experiment is planned for a

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spacewalk by romanenko and cosmonaut

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pavel vinogradov in april vinogradov

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will be arriving at the station in late

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march with alexander misurkin and chris

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cassidy

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romanenko spent part of his day on

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thursday taking surface samples in the

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russian segment and seeing two science

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experiment operations in the afternoon

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after lunch novitskiy worked to stow

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items that are destined for disposal in

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one of the progress ships that's docked

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to the russian segment and tarelkin did

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maintenance as well as shot scenes for a

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russian documentary about station

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payload operations

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there were a couple of tasks on the

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agenda on thursday for chris hadfield

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including an interview with popular

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canadian tv network morning show

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and then the final pre-packing of items

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that are scheduled to come back to earth

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on the dragon spacecraft

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tom marshburn even set up an hd camera

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in the lab that will shoot the

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robotic workstation monitors there so

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that the mission control teams can

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follow along and see what the arm

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operators are doing during those dynamic

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operations on saturday the crew members

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would actually be working in the cupola

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on saturday the camera is shooting at

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the backup station in the lab

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kevin ford chris hadfield tom marshburn

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all had regular exercise sessions but

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little else on their schedules for

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thursday they got time off thursday and

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friday to rest up in advance for the

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weekend operations with the dragon

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spacecraft

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in fact hadfield uh

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rather ford and marshburn had their

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final training for robotics operations

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for the dragon today the second

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operational flight of the vehicle from

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spacex did launch on friday morning

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carrying 1200 pounds of science

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experiment materials and crew supplies

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scheduled to be a grappled on saturday

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morning by the crew members at the

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controls of the canadarm2

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robotic manipulator

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and then

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through use of the arm ground commanded

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birthed to the harmony module with a

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hatch opening scheduled for sunday to

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allow the crew to start unloading

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supplies as well as the food and