An M4 Carbine rifle equipped with the Smart Shooter sighting device lies next to drones to be used as moving targets for the 9th Reconnaissance Wing at Beale Air Force Base, Calif., Aug. 14, 2019. The sighting device attaches to the weapon and then locks on and fires to neutralize its target with or without movement. The device is also being used to limit friendly fire, as the weapon cannot be fired unless it is purposely locked on.