Infantry Weapons: From Assault Rifles to Exoskeletons

The individual soldier remains the most versatile and adaptable element of any military force. Infantry weapons and equipment have evolved dramatically, transforming the modern soldier into a highly connected, heavily armed combatant capable of engaging targets at extended ranges with precision while maintaining situational awareness through networked systems.

Modern assault rifles like the US Army's XM7 (replacing the M4) fire the more powerful 6.8x51mm round designed to defeat modern body armor at extended ranges. The XM7's fire control computer includes a ballistic calculator and can interface with the XM157 smart optic that uses laser rangefinding and environmental sensors to calculate firing solutions. This represents a generational leap in infantry lethality over the M16/M4 family in service since the 1960s.

Anti-tank guided missiles have proliferated to the infantry squad level. The FGM-148 Javelin provides fire-and-forget top-attack capability against the most heavily armored vehicles. The Swedish NLAW demonstrated devastating effectiveness in Ukraine. Turkey's OMTAS and Karaok provide indigenous anti-tank capability. Man-portable air defense systems like Stinger and Igla enable infantry to contest airspace.

Future soldier systems focus on integration and networking. Heads-up displays, augmented reality overlays, integrated communications, and biometric monitoring will create soldiers who are far more effective as part of a networked force. Exoskeleton technology is advancing from laboratory demonstrations to field-testable prototypes, promising to increase soldier carrying capacity and reduce fatigue. While true Iron Man suits remain distant, powered lower-body exoskeletons that assist with heavy loads during dismounted operations are becoming practical.