The bullet, as envisioned by Darpa
The bullet, as envisioned by Darpa

US successfully tests self-steering bullets that can follow moving targets

Darpa has shown that the bullets, called Exacto, can move round corners

Andrew Griffin@_andrew_griffin
Tuesday 28 April 2015 20:32
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The United States Department of Defense has carried out what it says is its most successful test yet of a bullet that can steer itself towards moving targets.

Experienced testers have used the technology to hit targets that were actively evading the shot, and even novices that were using the system for the first time were able to hit moving targets.

The project, which is known as Extreme Accuracy Tasked Ordnance weapon, or Exacto, is being made for the American government’s military research agency, Darpa.

It is thought to use small fins that shoot out of the bullet and re-direct its path, but the US has not disclosed how it works. It only says that the programme has “developed new approaches and advanced capabilities to improve the range and accuracy of sniper systems beyond the current state of the art”.

Technology in the bullet allows it to compensate for weather and wind, as well as the movement of people it is being fired at, and curve itself in the air as it heads towards its target. That should allow snipers to become much more accurate — even those that are not experienced at using the system, as was found in the tests in February.

Those behind the project hope that it can be used to keep troops safe by allowing them to stay further away from the people they’re shooting at, as well as hit them more quickly.

“True to DARPA’s mission, EXACTO has demonstrated what was once thought impossible: the continuous guidance of a small-caliber bullet to target,” said Jerome Dunn, DARPA program manager. “This live-fire demonstration from a standard rifle showed that EXACTO is able to hit moving and evading targets with extreme accuracy at sniper ranges unachievable with traditional rounds.

"Fitting EXACTO’s guidance capabilities into a small .50-caliber size is a major breakthrough and opens the door to what could be possible in future guided projectiles across all calibers.”

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