C-STS has been awarded Launch Support Equipment (LSE) contract by Thales Alenia Space in Turin, Italy.The Euclid LSE will be used as a spacecraft simulator located on top of the launch mast. It will simulate the spacecraft interfaces (Power and TM/TC) at the end of launch harnesses. Euclid spacecraft will (nominally) launch on a Soyuz vehicle from Europe's Spaceport at Kourou, French Guiana in 2024 Euclid is an ESA mission to map the geometry of the dark Universe. The mission will investigate the distance-redshift relationship and the evolution of cosmic structures. In other words, to look-back in time of 10 billion years. The entire period over which dark energy played a significant role in accelerating the expansion. In November 2018, the Euclid mission passed its critical design review, marking the successful completion of a major phase in the progress of the project and clearing the way to start assembling the whole spacecraft.