FORT POLK, La. — Throughout June, C Troop, 3rd Squadron, 89th Cavalry Regiment is conducting in-class and field training with the latest in night-vision goggle (NVG) technology. The new equipment, the enhanced night vision goggles-binoculars (ENVG-B), not only provides an all-around upgrade in clarity but also comes with thermal vision capabilities, augmented reality with heads-up display and integrates with weapon optics.