Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/628906'></iframe> Download Embed Share Marines Keep Weapons On Target Defense.gov Sept. 25, 2018 | 2:31 Sixty Marines. That’s it. Just 60. Sixty out of the 200,000 Marines currently serving in the military are qualified as precision weapons repairmen. As the Marine Corps’ gunsmiths, these specialized craftsmen can bring a weapon from the pages of a blueprint all the way to the range.