Riff A (listen to CD for rhythm, completely palm muted)
E|-----------|
B|-----------|
G|-----------| (4x)  Both Guitars
D|---9"--7"--|
A|-----------|
E|-----------|
    .   .

Riff B (Main riff. int means first time played/starting note)
 (int)|    (4x)      | (end of riff)
E|-----|--------------|----------|
B|-----|--------------|----------|
G|-----|--------------|----------| Both Guitars
D|-----|--------------|-10"/12"--|
A|--7--|---9-10p9p7-7-|--8"/10"--|
E|-----|-0"-----------|----------|
        .             
Play B a couple times, then play Riff A again 4x
Play Riff B another couple times

Riff C 

Gtr 1
E|---------------------------------|
B|---------------------------------|
G|---------------------------------|
D|-------(9)--7--------------------|
A|---(7)--------10-10-9-10-9-------|
E|---------------------------10----|

Riff D (break down..."Masters of war.."

Little lick to link to next part

E|-----------|
B|-----------|
G|-----------|
D|-----------|
A|---7-5-8---|
E|---5-3-6---|

these are the notes for the palm muting - in order
listen to beat to get it
E|-----------------------------------------|
B|-----------------------------------------|
G|-----------------------------------------|
D|-----------------------------------------|
A|-7----7-5---8---2--------7---5---8---7---|
E|-5----5-3---6---0--------5---3---6---5---|
  .    . .   .   .        .   .   .   .
After palm muting they play this variation

E|-----------------------------------------|
B|-----------------------------------------|
G|-----------------------------------------|
D|-----------------------------------------|
A|---(7)----7-3-(8)-(2)---------7-5-8-(7)--|
E|---(5)----5-1-(6)-(0)---------5-3-6-(5)--|

Riff C again

Then this riff played once before C is played again

E|---------------|
B|---------------|
G|---------------|
D|---------------|
A|--7-5-8-7-5-7--|
E|--5-3-6-5-3-5--|

Riff C
Riff A until End