Space shuttle Atlantis is scheduled to liftoff from the Kennedy Space Center in Cape Canaveral, Florida on July 8 at approximately 11:26 ET .
This marks the 135th and final flight of NASA's historic shuttle program. Carrying four crew members (Rex Walheim, Sandy Magnus, pilot Doug Hurley and commander Chris Ferguson), and an assortment of supplies and spare parts, Atlantis will embark on a 12-day mission to the International Space Station.
Thousands of spectators have gathered along Florida's coastline, hoping that today's launch will proceed as planned. Below are photos from this morning, documenting the historic event. Take a look, then check out historic images of Atlantis and a look back at NASA's space program in photos.
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