SpaceX is saving a ton of money by re-using Falcon 9 rockets
 

SpaceX is deep into the development of reusable rockets to slash launch costs for future missions, so one has to wonder how much its historic SES-10 mission saved. At the 33rd Space Symposium in Colorado, SpaceX President Gwynne Shotwell has revealed...
https://www.engadget.com/2017/04/06/...con-9-rockets/