The Navy plans to test the X-47B unmanned carrier system-demonstrator air-to-air refueling capability on April 15 before the system is retired, according to a service official. The program office completed "precontact" software work earlier this week and can now begin the actual demonstration, Rear Adm. Mark Darrah, program executive officer for unmanned aviation and strike weapons, said April 14 during the Navy League's annual symposium in National Harbor, MD. "We have done some data analysis [on the software] of precontact...
