Destiny Year One Laurea Prima emblem: where to find it and how to get it

That special Laurea Prima emblem Bungie announced today for Destiny? How do you get it? What exactly are Moments of Triumph? We have a video for that, thankfully. And no, it's not filled with “best of” clips of Triumph the Insult Comic Dog, although as a non-Destiny player that's what Moments of Triumph brought to