It is relatively well-known that students at the Naval Academy are called midshipmen. But what is less-known is where that term comes from. How were officers prepared and trained prior to the founding of the Naval Academy and other, later commissioning programs like ROTC? For the month of May, we are looking at the midshipman training process at the Naval Academy, and we begin with a discussion of the origin of the term midshipman using today's object, a dirk owned by Stephen Decatur.