Video narration
Agar aapka mushkil school ya kaam ka project baar baar fail ho, to kya aap use khatam maan lenge? SpaceX ki shuruaat bhi aisi thi: Falcon 1 rocket teen baar asafal hue. Phir 2008 mein chauthi udaan orbit tak pahunchi, yahi mod tha. NASA ke samarthan se bada Falcon 9 aaya. Asli badhat tab mili, jab uske pehle charan wapas laakar phir istemal hone lage. Project ki tarah, safalta ko dohrane layak banakar usne launch karobar khada kiya.