The army is moving to the future combat system, which is going to be cool as shit. Each soldier will have an RFID chip to indicate friendlies, there will be mad spy drones everywhere, and thier gun is gonna be badass.

http://www.hkpro.com/oicw.htm

Check that shit out. 20mm grenades that can be pre-programmed to explode after going a certain distance, showering the poor fuck's foxhole with shrapnel.