Video Going hypersonic: Boeing joins in $37.3M investment round for Reaction Engines by Alan Boyle on April 11, 2018April 11, 2018 at 7:08 pm Boeing’s HorizonX venture investment arm is placing a big bet on hypersonic flight. Today it announced that it’s going in with Rolls-Royce and BAE Systems on a $37.3 million Series… Read More