An Arizona company, World View Enterprises, plans to send tourists on balloons into the stratosphere, high enough to see the curves of Earth and the blackness of space.

More from GeekWire: World View’s stratospheric balloon mission for KFC isn’t just about a chicken sandwich World View balloon sends up KFC’s Zinger chicken sandwich amid space send-ups ...

[Updated 6/28: The World View KFC launch has been rescheduled for June 29. The sandwich's four-day flight is a promotional stunt for Kentucky Fried Chicken, but it will serve as a valuable test for ...