Can we at least attempt to make the acronym expansion more than just words with the correct initial letter? I think the previous explanation for Mississippi is quite clever but there have been a couple that looked like they were words picked at random out of the dictionary. If the expansion is also related to the acronym then bonus points to you. As for the ultra epic, etc. challenge, I fear it is beyond me.
Deliberate Environmental, Industrial, and National Sabotage with Testomonies from Intellectual Twits Utilizing Their Investigations Onboard the Navy and Army's Legislative Institutions in Saudi Arabia to Tout Inhumane Organizational Nationalism.