The DARPA EXACTO program may face competition from Sandia National Laboratories for creating a guided sniper round. ... Exact technologies used in the bullets were not revealed, but the EXACTO uses a real-time optical guidance system with no visible fins or other steering mechanism on bullet illustrations.

What are DARPA rounds?

The Defense Advanced Research Projects Agency, or DARPA, has taken the latter approach. EXACTO, or Extreme Accuracy Tasked Ordnance bullets turns . 50 caliber bullets into guided rounds capable of zeroing in on a target. ... The bullet is even capable of making some remarkably sharp course corrections.

How do DARPA bullets work?

The system combined a maneuverable bullet and a real-time guidance system to track and deliver the projectile to the target, allowing the bullet to change path during flight to compensate for any unexpected factors that may drive it off course.