NASAのインスタグラム(nasa) - 1月23日 11時29分

‘Twas the night before launch… The United Launch Alliance Atlas V rocket with NASA's TDRS-L satellite on board is seen on the evening of Wednesday, Jan. 22, 2014, at Launch Complex 41 at Cape Canaveral Air Force Station, Fla.

With the rocket in place, engineers and technicians made numerous connections of propellant, coolant and data lines that will allow ground controllers to monitor the rocket and satellite conditions throughout the countdown. Liftoff of the TDRS-L mission is scheduled for Thursday at 9:05 p.m. EST at the opening of a 40-minute window. Once operational in orbit 22,300 miles above Earth, TDRS-L will work with NASA's Tracking and Data Relay Satellite System constellation to provide vital communications between ground stations and spacecraft including the International Space Station, NASA's Hubble Space Telescope and the agency's fleet of scientific observatories orbiting Earth.

Image Credit: NASA

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