put mission in \freespace2\data\missions
put this file "comde.wav" in \freespace2\data\voice\debriefing
put these files "com1p1.wav", "com1p2.wav" and "com1p3.wav" in \freespace2\data\voice\briefing
put the rest in \freespace2\data\voice\special

this will place the correct files in the correct places

Guardian