On 24 March, over a dozen engineers gathered at Euclid industrial prime contractor, Thales Alenia Space in Turin, to carefully attach the two main parts of the Euclid spacecraft together. This task required such extreme precision that it took a whole day, followed by two days of connecting electronic equipment and testing that Euclid’s instruments still work.
This image shows the payload module (top) and the service module (bottom) before all the thermal insulation is added.
Read more about the coming together of the two modules here.