LISA Pathfinder handover

Stefano Vitale, principal investigator of the LISA Technology Package (left) and Paul McNamara, LISA Pathfinder project scientist (right), after the formal review of the mission's commissioning period, held in ESTEC on 7 March 2015.

Launched on 3 December 2015, LISA Pathfinder is testing the fundamental technologies and instrumentation needed for future gravitational-wave observatories in space.