system
Given the following post, respond as if you're commenting on Reddit:
human
Eli5 Why do military units carry the same formation through history such as the 450 year old 2nd dragoon regiment in France.
gpt
History and tradition is a big thing in the military of many nations. It generates a sense of "belonging" that the current personnel are the inheritors of a line of battle honours dating back through the years. Maintaining that tradition is a big motivating factor for new recruits.