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2003 News Articles
Date Set For Mars Express Launch

Just before midnight on 2 June (23:45 local time) a Soyuzrocket operated by Starsem will lift off from the Baikonur Cosmodrome, and the European Space Agency's Mars Express will be on its way. The spacecraft was given the green light to launch following completion of a successful flight readiness review on 3 May.

Mars Express spacecraft
The Mars Express spacecraft in orbit around Mars

The Mars Express launch window opens on 23 May and lasts only four weeks. However, just before the spacecraft was due to leave Toulouse, France, for its trip to Baikonur in Kazakhstan, engineers discovered a fault in one of the electronics modules. "Of course, it was the most difficult box to remove from the spacecraft," says Rudi Schmidt, Mars Express Project Manager, with a smile.

In view of the estimated time needed to correct the fault, the launch date was initially put back from 23 May to 6 June, still within the launch window. However, thanks to the skill and dedication of the engineering team, the job was completed sooner than expected and the launch date was brought forward.

Mars Express is currently being fuelled, an operation that takes about a week. It will then be attached to Fregat, the Soyuz upper stage rocket booster, and mated with the Soyuz rocket. The whole system will be rolled out to the pad four days before launch. The journey to Mars will take six months and the spacecraft should enter its Martian orbit on 26 December. Europe's contribution to the exploration of the Red Planet will begin soon.

The ASPERA-3 instrument on board is partially funded by NASA as a Discovery Mission of Opportunity.

Live ../../../images of Mars Express are available on the ESA Science website:

For more information about the Mars Express launch campaign, visit:

For more information about Starsem, visit:

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