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the european space agency's automated

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transfer vehicle continues to make its

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way toward the international space

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station right now it's heading for a

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docking to the zvezda module's aft

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docking port next tuesday morning the

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ship which launched from french guyana

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last week is the fifth in a series of

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five vehicles that esa its member

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nations and its industry partners have

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provided to the international space

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station project

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been delivering supplies to the station

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but done a lot more than that as well

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over the years today we're going to

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discuss that with eric vanderwaal the

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european space agency's international

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space station program liaison in houston

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good morning eric good morning that was

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a beautiful launch last week how have

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things been going so far things have

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been going fabulous

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we had a great launch on the 29th of

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july

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everything is going well systems are

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extremely healthy

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and we're performing our phasing towards

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the iss it's slow and steady all

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maneuvers are being completed as planned

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so everything looks great for a docking

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next week tuesday now

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it's going to do some more work on the

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way too there's a not just carrying

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cargo but atv has been a test bed for

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developing some technology and you're

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gonna try to demonstrate some of that on

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friday with the the lyris rendezvous

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sensors tell me what that is

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so basically

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every atv is similar to the previous one

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because certainly now it has become a

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mature concept however

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there is an experiment called lyris

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stands for laser infrared

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imaging sensors which is piggybacking on

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this last flight

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we have sensors installed on the outside

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of the atv and recording equipment on

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the inside

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so maybe to give you an idea the atv

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today his approach to the space station

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is mainly done in a cooperative way we

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have that is to say the station is

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cooperating the station helps us the

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station is aware that we're coming

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we have

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for the long range approach we're using

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gps data which comes from the atv and

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from the space station and we use rgps

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navigation and when we get closer we

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switch to optical sensors which work

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together with the space station which

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has on the smf ports laser reflectors

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installed

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however isa and the european uh industry

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believe that it's essential also to look

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at non-cooperative rendezvous so for

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instance with space debris or objects

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which

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try to

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to make an approach so new sensors have

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been developed for this new technology

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lyris is one of them

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so libras consists basically of an

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infrared camera which will be used for a

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long-range approach and a lidar for the

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short range navigation

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so lyrics has been installed on atv will

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be demonstrated on this atv flight

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there will be a fly under at the end of

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this week

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and we will use the data

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or use lyrics and the sensors up to

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the rendezvous and the docking

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lyrics itself does not is not included

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in the navigation of atv so atv has

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their own navigation system

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it's just a separate thing we will

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record the data and once we get on board

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we will get the recorders out and then

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we'll bring the data down later very

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interesting now in fact on this flight

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the atv is also going to be used in in

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sort of a similar way to demonstrate

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other technologies but this is at the

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end of its mission uh the the af after

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it undocks six months from now its

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descent is going to be different than

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what has happened before

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well

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one day the space station

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will have to come down

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we call it the end of life of the space

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station the space station is a very

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heavy

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uh vehicle

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and uh unfortunately it's it's not

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plausible to have sufficient uh

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uh propulsion available to do a steep

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reentry most vehicles will actually do a

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steep reentry

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the iss is going to do

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a design of life a shallow reentry now

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there is a

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crucial difference between a steep and a

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shallow reentry in a steep range you get

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you get very short but very very strong

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heating on the vehicle

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which has certain characteristics of

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breakup

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on the shallow reentry you get a very

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slow heating almost melting of the

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structures

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so the isis partnership got together has

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expressed a

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mutual interest to go and try to

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to implement a shallow entry on the atv

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in order to get a data to

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as good as possible model the future

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re-entry of the iss so we have agreed to

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that so after our stay which will be

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approximately six months

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we will undock from the space station

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and get ready to do a

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shallow reentry

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there will be equipment inside the atv

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there will be

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an esa experiment which is a camera

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this is the first we will have eyeball

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which is an infrared camera we'll have a

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rebar which is a breakup recorder

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and then we will have also on ground

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there is a great interest

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from people in australia to have

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numerous experiments i think i don't

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know the exact number but it's close to

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70

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experiments which will do monitoring

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from the ground and we will also ask if

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possible the crew from the space station

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if we have the right lighting to take

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pictures

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during the breakup of the atv and

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i think there will be a tremendous

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amount of data which we can collect from

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this re-entry and which will be uh

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extremely valuable to uh

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to a lot of people but especially the

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iss those are

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i think great examples of the kinds of

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things that esa has been able to do with

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this project

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and and that's being turned over into

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future uh future products or portions of

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future vehicles right

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well we have to see that

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first the european industry can be very

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proud

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achieved they have uh

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have designed they have developed they

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have operated we're still operating

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a fully autonomous free-flying vehicle

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with

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i would say state-of-the-art navigation

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and we have done this

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now five times

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at the same time it has also proven that

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isa with the delivery of the 5 atvs

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we use those atvs also

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as a compensation in kind for our parts

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or our obligation for the i call it the

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household bill of the space stations or

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the common system operation cost

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so

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with with the delivery of columbus

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module which is attached to the station

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and the atv it has also set isa as a

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very reliable partner in international

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corporation in human spaceflight

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and i think this has led

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to

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because now that we have completed our

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obligation for the coming years

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we were looking to a perspective to go

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beyond iss the atv is really limited to

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the resupply of the space station and

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going beyond the iss is the perfect way

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to reuse the technology the processes

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and expertise that you have developed

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some of those systems are are going to

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be part of the next crude vehicle the

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orion vehicle so

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when we looked at it we have uh found

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something which we believe is a

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confirmation of the skills and and the

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valuable partnership that esa can offer

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and we have signed an agreement with

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nasa to develop

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the service module of the uh

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multi-purpose crew vehicle of the orion

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program

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so

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this is this is again a confirmation of

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validation of everything that atv has

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brought to this program has helped us do

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all the expertise and part of it is now

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being reused not only technology but the

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processes everything will be reused in

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the development of the service module

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which is

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part of a

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very important u.s exploration program

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it's all very very

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very exciting to to see what's going to

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happen with this in the next step eric

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thank you for for coming and sharing

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some of that story with us this morning

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thank you so much eric vanderwaal is the

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your international space station program