Weapons are described in detail, with little evidence of an understanding of the significance of the new century's sophisticated weaponry, a significance that was to be brought home by the cataclysmic war to come.
Such weapons are described as "human-in-the-loop" systems because they can only select targets and deliver lethal force with a human command.
Physical attacks took the form of pinching, restraining, jerking, or pushing, and it resulted in physical injury only in a minority of cases; no major episodes involving the use of a weapon were described.
In the book, Eisenhower described a meeting in which he stated his misgivings about the use of the bomb to Stimson: "I expressed the hope that we would never have to use such a thing against any enemy because I disliked seeing the United States take the lead in introducing into war something as horrible and destructive as this new weapon was described to be".
In 1232, when the Mongols laid siege to the city of K'ai-feng, capital of Honan province, the Chinese defenders used weapons that were described as "arrows of flying fire".
Last April, nine members of the Michigan-based "Hutaree" (or "Christian Warriors") group, arrested and charged with conspiring to kill local police officers using "weapons of mass destruction", were described simply as members of a "militia".
The weapons used in the attack were described as "civilian" handguns.
But there was still surprise when it sent most of its air force to join Nato's operation and delivered large quantities of what were described as defensive weapons but which included Milan anti-tank missiles to the rebels.
The letter states: "AI technology has reached a point where the deployment of [autonomous weapons] is – practically if not legally – feasible within years, not decades, and the stakes are high: autonomous weapons have been described as the third revolution in warfare, after gunpowder and nuclear arms".
"AI technology has reached a point where the deployment of [autonomous weapons] is — practically if not legally — feasible within years, not decades, and the stakes are high: autonomous weapons have been described as the third revolution in warfare, after gunpowder and nuclear arms," the letter says.
