The Expanse: MCRN ‘PT’ Shirts I thought this might be fun. These are based on the “ARMY” style physical training shirts occasionally seen in the real world. The Bungie guys had some similar shirts made that said “ODST,” har har. Available at TeePublic. Advertisements Share this:EmailPocketPrintShare on TumblrTweetLike this:Like Loading... Related Author: Staff Writer Thirty-something graphic designer trapped in a boring part of Florida. View all posts by Staff Writer