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VI.  BIGGIN HILL AIRFIELD (3 Secrets)
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You start off here freezing in the rain and cops are beating on the door.
Go to the dumpster nearby and push it in front of the door.  Behind the 
dumpster you just moved, there is a power switch.  Activate the power switch
and move over behind the rail car.  Release the brake on the rail car and
walk carefully behind it.  The cops will be shooting at you, but the rail car
is your cover, so stay behind it and you'll be fine.  When the car stops, you
are at the end and you can enter the door you've come to.

Once in the hanger, turn directly to your right and get **DA VINCI'S BRIDGE**
from on top of the crates there.  You are standing very close to a "Bunker
Map" on the wall next to the door you came in.  Right next to that is a tool
box in which you will find BOLT CUTTERS.  Go to the left side of the plane (as
you are looking at it) and find the gate with the padlock.  Cut the lock,
enter the fence and climb the ladder.  Get the large bandage off the table
then activate the controls to move the crate.  Climb back down, go back into 
main hanger area and two gaurds come in to ruin your day/evening/weekend. 
Dispose of both of them.  Enter the cage you revealed by moving the crate.
Get the FLARES off of the shelves in there, then open and enter the trapdoor.

Follow the dark stairwell all the way down until you get a cutscene.  When its
over, enter the very dark room and open the grate on the floor and crawl down.
Go forward to another short set of stairs, go down and find a gate with a pad-
lock.  Cut the lock with the bolt cutters and head down the new hallway.  Go
through another door and head to a fuse box that is straight in front of you.
Take all the fuses (3 of them).  Turn to your left and head into the next
room until you hit the railing, the turn right.  There is an alcove here and
at the back of it, there is another fuse box with 300 amp fuses (2 of them)
you can take.  Go all the way to the opposite end of this room from this
set of fuses (STRAIGHT ACROSS, do not go downstairs yet!), and climb the 
ladder to the Control Room.

In here, find a first aid kit on a shelf behind some cleaner, then take the 
elevator to the control tower.  Up here you will have more cutscenes and
another fuse box.  Take all the 300amp fuses (3 of them).  Go back down to 
the control room.

A guard meets you there.  Defeat him.  Go back down again and there are two
gaurds patrolling here.  Do what you will with the gaurds, but make your way
back to the opposite side and take the ladder down into the lower area and 
then come back to the far end to find the "fuse box", "switch" and the 
"schematic".  Use the UV light on the schematic.  Go to the fuse panel and 
put in the correct fuses to activate the "left generator", "right generator",
and "surface door"  (Generators take all the 300amp fuses,surface door takes 
the 50amp fuses).  Pull the switch.

Start heading back the way you came, but before you climb back up, go behind
the ladder and to the left into the alcove underneath where you found the
first set of 300amp fuses.  Look for the glowing symbol on the wall and look
around for the **MERCURY COIN**.    When you get past where you took all the
fuses from, down the long hallway and then down a short set of stairs, creep
up and you'll see a gaurd pass from left to right.  Sneak up behind the gaurd 
and stealth attack him and take him out.  Go back to where the gaurd came from
and find the alcove on the right.  Look for the glowing symbol in there and 
get the **MERCURY SPHERE**.  Head back towards the door that you could not 
open because it had no power, and there is a gaurd there with his back to you.
Knock him out, pull the switch and the door opens.

Follow this path until you reach a ladder.  Take the ladder up to the next 
floor and you'll find another ladder.  Take this ladder up and you'll find 
yourself back up in the rain and outside.  There are two gaurds here, but it
is very possible to sneak up on both of them and take them both out with
stealth attacks.  Once they are taken care of, go to the cage at the back of 
the gas tank and cut the lock with the bolt cutters.  Open the valve you find
there to release the gas.  Go over to the ladder on the building and climb to
the roof.  Sneak up and stealth attack the gaurd here and then use the flare
on the edge of the building.

Consider this level over.