I am stuck on the 12th and last mission as Mark Hammond. I can get to the end of the ships level but always get killed going up the steps.

Any advice?

 

If you're talking about the second time you are in the room with the crate falling from the roof, shoot the geeza driving the fork lift truck, shoot the next two yobs on the ground and finally shoot the geeza up above you and it should end - you don't need to climb those steps.

Only took me about 1 million attempts to finish that mission

 

Cheers, I have just read that you can also snipe the guy upstairs from the door.

Gonna try it tonight.