article_snippet.sent: The main aim of the flight is to deliver more than 4,300lb (1,950 kg) of food, clothing, equipment and science experiments to the station, which flies about 260 miles (418 km) above Earth.
article_snippet.sent: SpaceX is hoping to show that affordable, reusuable rockets are possible for future commercial missions.
article_snippet.sent: The plan is for the Dragon capsule to be released on a two-day journey to the International Space Station.
article_snippet.sent: The launch will be the easy part.
article_snippet.sent: This will be the California-based SpaceX company's seventh station supply run since 2012, all from Cape Canaveral.
article_snippet.sent: Elon Musk - whose Southern California company delivers supplies to the International Space Station and aims to haul astronauts as well in two years - wants to start retrieving and reusing Elon Musk - to save time and money.
article_snippet.sent: SpaceX is one of two companies hired by Nasa to fly cargo to the International Space Station following the retirement of the space shuttles.
article_snippet.sent: As well as a recently extended 15-flight, $2 billion contract with Nasa, SpaceX is working on a passenger version of the Dragon capsule and has dozens of contracts to deliver commercial communications satellites into orbit.
article_snippet.sent: At Cape Canaveral Air Force Station's Space Launch Complex 40, a SpaceX Falcon 9 rocket stands ready to boost a Dragon capsule on a SpaceX Falcon 9 rocket fifth commercial resupply mission .
highlights_snippet.sent: If successful, successful will prove affordable, reusuable rockets are possible .