Testing pressure

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)

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)

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)

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

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.