Kilo 2-1 from the 9th Group sent this video they made defining Milsim and the different levels of Milsim according to their perspective. There are differing opinions about Milsim but they are not totally from each other and attempts to define it actually enriches our understanding even more rather than muddle things up... "In 'What is Milsim' the 9th Group pride themselves in their impressions and appreciation of small unit tactics.