Of all the weapons created for warfare, few have made such an impact as the modern machine gun. From the early days ... They Turned Out to Be the Largest Dinosaur Trackway in the U.K. The Best ...

SOCOM has been on the hunt for a new lightweight machine gun — now dubbed the Lightweight ... and The Pentagon Rundown for a weekly breakdown of the biggest stories every Friday.

There's a growing number of guns being converted into machine guns. Here's why it matters: When someone opens fire with a machine gun, it has the ability to cause more damage, and impact more lives.