The Navy's X-47B unmanned aircraft is expected to return to Naval Air Station Patuxent River, MD, later this week after successfully completing two out of four arrested landings on an aircraft carrier, according to a Naval Air Systems Command spokeswoman. The aircraft, "Salty Dog-501," was to have landed on the ship Monday to collect additional data. But during the flight to the carrier the X-47B experienced a "minor test instrumentation issue" and returned to NAS Patuxent River, NAVAIR spokeswoman Jamie...
