Cultured Warrior: A very important aspect of training and institutional culture, not just for the Imperial Military Service, but for the entire sentinel darëssef, which includes the police, emergency services, paramedics, etc. The argument runs, essentially, that it has dangerous and unpleasant side effects to have people running around trained to fight who know nothing else but fighting, be it fighting wars, fighting crime, fighting disease, or fighting entropy, and are thus disconnected from the finer things in life and the gentler, civilized virtues.
Thus, in addition to everything else, sentinel training (including even the seriously harsh kind used by the Imperial Legions) works hard to cultivate a taste for high culture and an appreciation for the finer things in life as a contrast to and counterpart for the gritty side of life. In action, the institutions of the darëssef, from the IMS, the ISS, the Watch Constabulary, etc., on down have traditions to encourage this, including specific cultural leave in which their membership is encouraged to immerse themselves in this side of life on the institutional dime, in the interest of keeping them collectively healthy, functional, and complete.
Even many mercenary outfits do this, on the grounds that a sane mercenary is a more profitable mercenary.