SpaceX

In the "old days", stages from rockets, once separated, would either burn up falling through the atmosphere, or they would fall into the ocean

We could find no reports of injuries, except maybe to the pride of some of those engineers.

There will be a line of 42 satellites visible to the naked eye later this week, weather permitting (and it appears that the weather will permit!).

Like all good scientists, Musk and Co. recorded every last detail for you to enjoy