Matcon Puzzle

TO MY FIFTEEN GENERALS, RANKED AND ORDERED HEREIN,
BLUE IS THE KEY THAT WILL UNLOCK OUR WIN.

DRACENLAHELTIPWEDAADDPLC.EOLTNRIFTAVUACANMBTTNBLIEEUOVDLSCA.HKTKAESINDDONEE.UGADTDR.SHOOEMWGURHRTNFIEHOTAECRETRICNTECNISLOSEIRESIFTANFHVT.EWAO

Manark, Code Master

DM's NOTE: The code is a single long line. I have put boxes in to represent spaces.