If they aren't called at the first date, Mr. Condon says, the investor will keep collecting the higher interest.

WSJ: SmartMoney: Watch Out! These Municipal Bonds Come With a Bit of a Kick

This is expected in the first two weeks in September but doesn't appear to be a fixed date in the calendar.

BBC: MPs and "armchair reshufflers" ponder cabinet changes

Friday wasn't the first time Grasshopper has left the ground, but it was the most ambitious test to date, Musk said.

CNN: Elon Musk: Our future in space depends on reusable rockets