The contract was awarded to Skyhaus bvba alias ML6 at the end of 2021. Execution started in mid-January 2022.

A nice double interview with Nick Lagast (project engineer at AWV) and Jens Bontinck (Head of Labs at ML6) by Dries van Damme appeared in DataNews of 28/04/2022 in which the objectives of 'Elsa' were explained in more detail.