The US Army Drill Sergeant Academy's drill sergeant of the year, Staff Sgt. Devante McLean, breaks down every uniform drill sergeants wear and its purpose. The three uniforms every drill sergeant wears are: Physical training uniform 0:21 Army combat uniform 02:13 Army Green service uniform 05:04 More Loadout Videos: Every Piece of Gear In An Army Cook's Mobile Field Kitchen | Loadout | Business Insider youtu.be/Dm5JvlvnZdM Every Piece of Gear In A Navy Recruit's Ditty Box | Loadout | Business Insider youtu.be/T9MXw_hfAok Every Uniform In A Navy Sailor's Seabag | Loadout | Business Insider youtu.be/dS-QGTqphWE ------------------------------------------------------ #DrillSergeant #Loadout #BusinessInsider Business Insider tells you all you need to know about business, finance, tech, retail, and more. Visit us at: businessinsider.com Subscribe: youtube.com/user/businessinsider BI on Facebook: read.bi/2xOcEcj BI on Instagram: ht...