When will SpaceX send humans to the ISS?

Now that SpaceX have flown the first Block 5 Falcon 9, one of the next big milestones will be the inaugural flight of the Dragon 2 spacecraft. But what's the deal with Dragon 2? Why has it taken so long and when will it finally take humans to the International Space Station? If you enjoyed this video and would like to see more, remember to subscribe and hit the notification bell so you know when the next video comes out. Let me know what you think of Dragon 2, will it launch this year? Support Pr