JetZero  , the U.S.-based aerospace startup developing the world’s first commercial all-wing (blended-wing-body) aircraft, has raised $175 million in Series B financing.  The round was led by B Capital , with participation from United Airlines Ventures , Northrop Grumman , 3M Ventures, and RTX Ventures, among others. This brings JetZero’s total raised and committed capital to more than $1 billion, including government grants, incentives and commercial partnerships. The fundin