Testing pressure

Testing alignment (ESA/C. Wildner)

Testing alignment (ESA/C. Wildner)

The launch campaign ‘to do’ list is gradually getting shorter as preparations continue to ready Sentinel-2A for liftoff next month.

MSI inspection (Airbus GmbH)

MSI inspection (Airbus GmbH)

As well as continued alignment tests the satellite’s multilayer insulation, which helps keep it at the right temperature in space, has had a final inspection and the liftoff countdown has been rehearsed.

Countdown rehearsal (ESA/C. Wildner)

Countdown rehearsal (ESA/C. Wildner)

In addition, the ‘Maximum Expected Operating Pressure’ (MEOP) test has been carried out. This involves putting the tank under pressure to make sure there are no leaks.

Discussing pressure test (ESA/C. Wildner)

Discussing pressure test (ESA/C. Wildner)

The payload adapter has also been moved into the cleanroom ready to be fitted.

Bird spotting: a red ibis! (ESA/C. Wildner)

Bird spotting: a red ibis! (ESA/C. Wildner)

And, during down time, the team has been enjoying some of the local wildlife with a bit of bird spotting!

Post from Claudia Wildner (ESA), 8 May 2015.

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