What is the point of this?

 

It's a big airplane.  Not sure what it's good for, but it's big.

Stratolaunch takes off for its 2nd flight

Here's what it is supposed to be good for.

"Stratolaunch was built as a platform for air launching rockets into orbit. It can carry 250,000 kilograms (550,000 pounds) of external payload and has a wingspan of 117 meters (385 feet), which is 28.5 meters (95 feet) more than that of the world’s heaviest and second-largest airplane, the Antonov An-225 Mriya."

I just don't know if they have a launch manifest yet.