Hypersonic weapon startup Castelion wins $105 million Navy contract for F/A-18 integration

WASHINGTON, April 24 - Castelion, a small California defense startup, has won a $105 million U.S. Navy contract to ready its Blackbeard hypersonic missile for use aboard the Navy's carrier-based F/A-18 fighter jets, clearing the way for the weapon to move from the laboratory toward the battlefield n