Thursday, June 23, 2011

ESA Galileo: Soyuz launchers arrive at French Guiana

Soyuz ST-B launchers at Kourou harbour
The two Soyuz launchers that will fly the first four satellites of Europe’s Galileo navigation system into orbit have arrived at Kourou harbour in French Guiana, completing a journey that took them halfway round the world.

The first two Galileo In Orbit Validation satellites are set to be launched from Europe’s Spaceport on 20 October, with two more following them into orbit by mid-2012.

The October launch will be the first flight of a Soyuz rocket from French Guiana.


Artist's impression of a Soyuz liftoff in French Guiana

First Soyuz launch this October
The two Soyuz ST-B launchers and their Fregat-MT upper stages were carried across the Atlantic aboard Arianespace vessel MN Colibri, arriving on 18 June.

The rocket hardware left by train from the Soyuz manufacturing plant in Samara, Russia and the Fregat factory in Moscow to St Petersburg harbour, where it was loaded for shipment, leaving on 3 June for French Guiana.

The next step will be the Launcher Flight Readiness Review, due to take place on 21 July. Authorisation will then be given to begin assembling the rocket hardware and deployingthe initial Soyuz ST-B launcher for the first Galileo campaign.

The first two Galileo satellites – known as PFM and FM2, for Protoflight Model and Flight Model 2 – are currently undergoing their final qualification and acceptance tests at Thales Alenia Space in Rome, Italy.

Once Satellite Flight Readiness Review has given the green light, both satellites and their ground equipment and launch teams will arrive at the beginning of September for the launch campaign.

Soyuz ST-B is the most powerful version of the famous Soyuz launcher, while the Fregat-MT is an upgraded version of the Fregat upper stage.

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