Well everyone likes to root for their own team but if I put military channel aside and stopped sucking the dick of the military industrial complex I would say Hezbollah. Now this is likely to be unpopular due to their politics and their lack of cool toys but none the less I ask you to be open minded. The more popular choices Royal Marines, Rangers, USMC and the legion are all if the highest quality money can buy but being a part of a military cutler where once service is referred to as a carrier I feel they can?t match the warriors spirit of those where service is divine service. Also as NATO units as any 21st century fighting force they are dependent on combined arms which leads me to suppose can these units really be classified as light infantry or if they were restricted to solely the light infantry components of their arsenals could they still maintain such prowess. Hezbollah though is a military force composed entirely of light infantry with no air, sea or armor support elements. In addition, how many times have any of these NATO Units engaged a modern conventional military force in the last fifty years, much less a superior one and without their support arms? Hezbollah on the other hand just fought a very successful campaign against one of the most modern militaries on earth the IDF. Once again the fought this campaign strictly as a light infantry force against a more advanced circumstances these NATO units have not found themselves in sense perhaps as far back as the great war but no later than WWII.