Depending on how literal you want to get and who you’re talking to, an NFL stadium can resemble a battlefield. The comparison between the gridiron and a war zone becomes even more similar now, as the NFL is looking into implementing the same helmet sensors the Army uses to gather data on head trauma after impact, according to the Stars and Stripes, an independent news source of the military. The sensors, manufactured by British-based security company BAE Systems, are called Headborne Energy Analysis and Diagnostic Systems – more commonly referred to as HEADS. Placed inside of a soldier’s helmet and weighing just 2 ounces, the sensor collects data of hits from explosive devises and other blunt impacts, including impact location, magnitude, duration, blast pressure, ambient temperature and the exact times of impacts. Read the full story at Forbes.