The Falcon 9 experienced its first important failure in late June 2015, when the seventh ISS resupply mission, CRS-7 exploded two minutes into the flight. The condition was traced to a unsuccessful two-foot-extended steel strut that held a helium strain vessel, which broke cost-free because of the drive of acceleration. https://rajasbo04702.bloggip.com/36078968/rajasbo-no-further-a-mystery