The Falcon 9 had its initially major failure in late June 2015, once the seventh ISS resupply mission, CRS-7 exploded two minutes to the flight. The trouble was traced into a unsuccessful two-foot-prolonged metal strut that held a helium force vessel, which broke free because of the force of acceleration. https://rajasbo70470.blogspothub.com/35024942/detailed-notes-on-rajasbo