LU Army ROTC Rangers Blue Tiger Battalion Vintage 90’s black Rangers Army ROTC short sleeve single stitch graphic tee. It’s the Blue Tiger Battalion and I think it’s from Lindenwood University but that is a guess. Tag Size: Men's Large (See last image for measurements) Condition: Pre-owned. Free from any rips, holes, stains, or odors. The shirt shows some fade and wear from age and use. Graphic shows cracking. See images for a better idea of condition.