Timelapse video: The final space shuttle assembled for flight

Watch the first spacecraft in a new generation of Russian Progress cargo vehicles arrive at the International Space Station on December 23, 2015, bringing a holiday delivery of more than 5,000 pounds of fuel, water and supplies for the research lab’s six-person crew.

Carol Raymond helps lead the Dawn science team at NASA’s Jet Propulsion Laboratory in Pasadena, California, where she oversees research investigating comets and asteroids, including the two objects visited during Dawn’s decade-long mission: Vesta and Ceres.

SpaceX’s launch of the Starlink 6-56 mission will move the company past the total number of Space Shuttle Program missions from Launch Complex 39A. Liftoff is set for 2:42 p.m. EDT (1842 UTC).