The United States Navy SEALs and Russia’s Spetsnaz are two of the most elite and feared special forces units on Earth, known ...

The PVS-14 is the standard-issue U.S. military night vision optic and is used by special ops throughout the world. These units are of the highest quality in optics, design, and functionality.

But the U.S. Air Force, Army, and special operations forces have growing needs for night-vision, as do next-generation autonomous vehicle makers. ... made from a special material called PMN-PT.