They came out of nowhere, by complete surprise. Within months, the Republic of the Milky Way, which had experienced great wealth and prosperity, was brought to its knees. However, in its darkest time, two recruits, along with their allies, helped achieve the impossible and helped repel the invaders, becoming galactic heroes in the process. However, they withdrew from public life and have gone into hiding, most people not knowing where they had gone. 

Over twenty years later, at the same military academy the heroes had attended, a new class is formed, focusing on special operations. For what purpose was this class formed, and does it have any connection to the heroes of the past?