Although they aren't, technically speaking, Halo story canon, the thematic and verbal similarities between the recent Halo 3 trailer and the Cortana Letters from 1999 have resparked interest in the latter; TraxusIV has embarked on an ongoing series of analytical articles that look at those themes and put the Letters into the greater context of the Bungieverse, past and present. The newest article looks at the second letter.