Keep on the lookout for more men, and pick them up with the powerful Uzis you collect. As they run down to get you, pick them off with your weapon of choice (we recommend the Shotgun).When it seems no one is left to attack, move carefully up the ramp. This will alert those on board to your presence.
Approach the docked ship and move up the extended gangplank nearest the pink dot. As soon as you board the boat, you're going to get lit up, so be careful.