Photos: Falcon takes flight

The shift in launch date is to allow more time to build in redundancy to account for the helium leak. The launch is currently scheduled for no earlier than Saturday, May 25, at 3:09 p.m. EDT (1909 UTC).

Viasat announced Thursday that a SpaceX Falcon Heavy rocket will launch a next-generation broadband satellite from pad 39A at the Kennedy Space Center some time between 2020 and 2022, joining Arianespace and United Launch Alliance in a three-way split for Viasat’s new launch contracts.

Spaceflight Now’s Stephen Clark reports from Starbase in South Texas as SpaceX prepares the largest rocket in history for a second launch attempt after calling off a launch attempt Monday due to a valve problem.