splinter cell double agent help

[Mr Hanky]

can somone help me get the bonus levels i have finished the game on easy
and normal i have all weapons and upgrades i have unlocked
the last bonus level and now i am trying to go through it with max trust with
NSA i have read the magazines and it has a train bit i have never done
that in my life and in the Shanghai bit there are terrorists looking guys not
people with balaclavas and lots of armor.
thanks