The ViaSat-3 Flight 2 mission was originally scheduled to launch aboard the Atlas V 551 rocket from Space Launch Complex-41 at Cape Canaveral Space Force Station.
United Launch Alliance (ULA) halted the launch attempt on Wednesday due to an issue detected during final checkouts. The problem arose approximately 10 minutes before the planned 10:24 p.m. ET liftoff while the team was cycling the booster liquid oxygen tank vent valve.
The launch of a United Launch Alliance Atlas V carrying the ViaSat-3 F2 mission for @viasat is scrubbed for tonight's launch attempt due to an issue encountered while cycling the booster liquid oxygen tank vent valve during final checkouts. The team will require additional time…
The launch window for Wednesday opened at 10:24 p.m. ET and was set to close at 11:08 p.m. ET. The rocket stands 205 feet (62.5 meters) tall, and the launch must occur within that window.
ULA stated the launch will be attempted again on Thursday during a 44-minute window beginning at 10:16 p.m. ET.
The United Launch Alliance postponed the ViaSat-3 Flight 2 satellite launch from Wednesday to Thursday due to a technical problem with the liquid oxygen vent valve during final checks.