Insurgents are using night vision against us nowadays. Science is working to keep us one step ahead of them. From World War to Iraq and Afghanistan nods have developed quickly. Watch this video to learn about the history of night vision devices in the military. I used the PVS-14's on my kevlar helmet when I was in but I see they have some incredible new enchanced NVG's coming out now. #military #history #technology #futureweapons