Major General William Hix warned artificial intelligence and smart weapons would speed up the pace of war.
The major’s chilling warning comes as Russia and China are assembling huge conventional military forces and North Korea conducts extensive nuclear testings despite UN sanctions.
Speaking on a future of the army panel, in Washington, Hix said: “A conventional conflict in the near future will be extremely lethal and fast, and we will not own the stopwatch.
“The speed of events are likely to strain our human abilities.
“The speed at which machines can make decisions in the far future is likely to challenge our ability to cope, demanding a new relationship between man and machine.”
Hix referenced the technological advancements China and Russia had made in recent years – and warned such developments should force the White House to prepare for “violence on the scale that the US Army has not seen since Korea”.
Top army chief Lieutenant General Joseph Anderson, who was also speaking at the same event, said the US faces threats from “modern nation-states acting aggressively in militarised competition”.
Army Chief of Staff General Mark Milley said the threat was “almost guaranteed” and that the army should be willing