Arianespace has recently unveiled that actuators on the main Vulcain 2 cryogenic engine of Ariane 5 have been replaced: this will allow the launcher to lift-off, as scheduled, on April 22nd. The departure of the rocket launcher with its two loads should have occurred already on March 30 but, during the automatic check-out, before the solid boosters ignition, it was detected an anomaly which made...