Musk made his comments during a fireside chat with U.S. Air Force Lt. Gen. John Thompson at the Air Warfare Symposium in Orlando, Florida, according to CNBC.“Musk also said that Lockheed Martin’s F-35 fighter jet, which is the Pentagon’s most expensive weapons system, should have a competitor,” writes Amanda Macias of CNBC. Musk reportedly said the competitor should be a remotely piloted drone, rather than a jet fighter with a human pilot onboard.