A little more than 48-hours after SpaceX launched BulgariaSat-1 from KSC, another Falcon 9 will launch, this time from Vandenberg AFB, with the Iridium NEXT-2 satellites! Launch will be at 20:24:59 UTC today and it will be an instantaneous window. The first stage will land on the drone ship "Just Read the Instructions". Unlike the previous flight on Friday, this booster will be an entirely new one, however a new feature this booster will feature is a new, upgraded grid fin: