I couldn't find the exact file [I think it was a Nanni's / Nibbio's production] but here's a copy of the section from my Barracks DP file for you to cut and paste !
[EFFECTS.0]
; System = dp_box_0
effect.0=20,LIBRARY,fx_smkpuff_m,
effect.1=30,LIBRARY,fx_pilwound,
effect.2=40,LIBRARY,fx_airexpl_s,
effect.3=50,LIBRARY,fx_pilwound,
effect.4=60,LIBRARY,fx_dustcloud_m,
effect.5=70,LIBRARY,fx_pilwound,
effect.6=80,LIBRARY,fx_fire_smoke_l,
effect.7=90,LIBRARY,fx_pilkill,
effect.8=95,LIBRARY,fx_dustcloud_l,
effect.9=99,DEATH,,
effect.10=100,LIBRARY,fx_smokestack,
[EFFECTS.1]
; System = dp_box_1
effect.0=20,LIBRARY,fx_smkpuff_m,
effect.1=30,LIBRARY,fx_pilwound,
effect.2=40,LIBRARY,fx_airexpl_s,
effect.3=50,LIBRARY,fx_pilwound,
effect.4=60,LIBRARY,fx_dustcloud_m,
effect.5=70,LIBRARY,fx_pilwound,
effect.6=80,LIBRARY,fx_fire_smoke_l,
effect.7=90,LIBRARY,fx_pilkill,
effect.8=95,LIBRARY,fx_dustcloud_l,
effect.9=99,DEATH,,
effect.10=100,LIBRARY,fx_smokestack,
SC
