General Atomics Aeronautical Systems, Inc. (GA ASI), a leading manufacturer of Remotely Piloted Aircraft (RPA), tactical reconnaissance radars, and electro-optic surveillance systems, and Northrop Grumman Corporation (NYSE:NOC), a leading global security company, today announced the second successful demonstration of Predator B/MQ-9 Reaper's Electronic Attack capability featuring Northrop Grumman's new Pandora Electronic Warfare (EW) system at the U.S. Marine Corps' (USMC) Weapons and Tactics Instructor (WTI) course held at Marine Corps Air Station (MCAS) Yuma on October 22.