NASA to Let SpaceX Launch ISS Deliveries on Used Rockets

SpaceX just secured permission to do something it has been planning for years, fly NASA payloads on Falcon 9 first stage boosters that have previously been launched and landed. According to NASASpaceflight.com, NASA has approved the use of a "flight-proven" Falcon 9 rocket for CRS-13, the 13th SpaceX resupply mission to the International Space Station. It's hard to overstate the significance of this announcement for SpaceX. The company has been perfecting vertical rocket landings ever since it stuck the first one back in December 2015, and those SpaceX aerospace engineers have gotten good, successfully landing all 12 Falcon 9 first stage boosters this year in missions where a landing was attempted. More

(Source: Popular Mechanics - Nov 3)