The Office of Navy Research (ONR) has successfully completed the testing of two software and sensor packages that allow an unmanned helicopter to fly autonomously to deliver supplies to Marines, the agency said at the annual Navy League exposition this week. The Autonomous Aerial Cargo/Utility System, known as AACUS, allows operators to direct the aircraft with minimal training and through the use of a tablet, Rear. Adm. Matthew Klunder, the chief of ONR, told reporters. “This is a giant leap…