Capt. Brian Harris, 16th Combat Aviation Brigade

Artificial intelligence may soon be deciding who lives or dies. The US Army wants to build smart, cannon-fired missiles that will use AI to select their targets, out of reach of human oversight. The project has raised concerns that the missiles will be a form of lethal autonomous weapon – a technology many people are campaigning to ban.

The US Army’s project is called Cannon-Delivered Area Effects Munition (C-DAEM). Companies will bid for the contract to build the weapon, with the requirements stating it should be able to hit “moving and imprecisely located armoured …