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this is mission control houston

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wednesday has been a science day for the

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crew on board the international space

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station working on research in a range

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of disciplines to advance the mission of

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the station while getting set to receive

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a shipment of supplies that will

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continue to support that mission

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today commander kevin ford spent a part

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of his morning working on elements of

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the cruise experiment that's a urine

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european space agency technology

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demonstrator of possible ways to improve

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accrues efficiency on orbit

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ford worked with a voice activated

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procedure viewer and the procedural

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displays testing ways in which crew can

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be more autonomous as well as more

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efficient in their work something

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that'll be even more critical for future

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explorers on mission where communication

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with earth will be harder than it is for

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today's crew

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flight engineer evgeny tarelkin and

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roman romanenko worked this morning with

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the lower body negative pressure suit

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that's a routine for russian crew

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members who are preparing to come home

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that suit which is

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just the lower body

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uses suction to assimilate gravity and

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allows cosmonauts to test their

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orthostatic tolerance after months in

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zero g

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flight engineer

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oleg novitskiy who is going to be coming

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home with tarelkin and kevin ford in a

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couple of weeks

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he spent the morning working on

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maintenance and then moved on to

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replacing some condensate removal lines

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in the russian section of the space

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station

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flight engineer chris hadfield and tom

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marshburn worked together in the early

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part of the day on the integrated

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cardiovascular experiment that's looking

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at trying to quantify the decrease in

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the size of a crew member's heart muscle

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over time while in weightlessness crew

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members do exercise and they're assisted

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by a second crew member who are

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performing examinations of them to

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gather the data to

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for the investigators on the integrated

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cardiovascular experiment

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all of the crew members had one of their

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scheduled exercise sessions before the

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lunch break and a second afterwards

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it's a combination of exercise whether

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it's treadmill or stationary bicycle or

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strength work on the advanced resistive

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exercise device that serves the crew

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members to help maintain their physical

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fitness and counteract the muscle and

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bone loss that they suffer during a time

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in the environment where their body

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doesn't even have to fight against the

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pull of gravity

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after lunch romanenko hadfield and

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marshburn had a routine emergency

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descent drill they're not scheduled to

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return to earth until may but a

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practice descent drill in the case of an

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emergency is a standard thing for crew

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members on board the station

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nowitzki and tarelkin gathered equipment

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that's associated with a new russian

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plasma wave apparatus that's going to be

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installed on the outside of the station

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during a spacewalk by romanenko and

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cosmonaut pavel vinogradov in april that

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apparatus will measure the

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electromagnetic field around the space

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station

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kevin ford spent time in his afternoon

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setting up the combustion integrated

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rack for its experiment operations

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and then we'll move on to join hatfield

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and marshburn for a conference with

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specialists on the ground about cargo

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operations with the dragon spacecraft

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today the international space station

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mission management team conducted its

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launch readiness review

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and all are go for the second

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operational mission of the supply ship

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provided by spacex it is due to launch

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from the cape canaveral air force

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station on friday morning at 9 10 a.m

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houston time and will be grappled and

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birthed to the station's harmony module

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on saturday morning

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hatches to the dragon are due to be

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opened up on sunday

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so the crew can begin to unload to 1200

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pounds of supplies and experiment

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equipment to be found inside

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then over the course of about the next

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three weeks they will also

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be loading about 2300 pounds of science

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experiments samples and other returning

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equipment before the dragon departs and

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lands in the pacific ocean on march 25th

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ford

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hadfield and marshburn will be enjoying

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some off-duty time on thursday and

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friday while they finish packing return

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items and getting some final training

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flying the canadarm2 before they go to

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work this weekend the busy weekend of