Antares Rocket Awaiting Liftoff on Pad-0A, Weather 90% Favorable

A Northrop Grumman Antares rocket, carrying its Cygnus cargo spacecraft to the International Space Station, is awaiting liftoff this afternoon from Virginia Space’s Mid-Atlantic Regional Spaceport at Wallops Flight Facility in Virginia. The five-minute window for launch opens at 3:21 p.m. EST today.

The latest forecast stands at 90% favorable for launch, with the primary weather concern being the cloud ceiling.

Join us for countdown updates: NASA TV will be broadcasting live coverage of the launch beginning at 2:45 p.m. EST, which can also be watched live online at

Northrop Grumman’s 13th contracted cargo resupply mission with NASA will deliver about 7,500 pounds of science and research, crew supplies and vehicle hardware to the International Space Station. This mission’s science experiments include an experiment on viruses that can target specific bacteria, an investigation on bone loss in microgravity and more.

Follow launch activities at the launch blog and @NASA_Wallops and learn more about space station activities by following @space_station and @ISS_Research on Twitter as well as the ISS Facebook and ISS Instagram accounts.

A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft is seen on Pad-0A, Friday, Feb. 14, 2020, at NASA’s Wallops Flight Facility in Virginia. (NASA/Aubrey Gemignani)

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