Logan (Fallout: New Vegas)

Logan is mercenary in the storage area under Camp Searchlight. He is accompanied by two prospectors and is looking for radiation suits.To start the Mission first talk to him and help him to unlock the Safe(Requires 50 science). When you've done this talk to him and tell him you know where the radiation suits are then make your way to Nipton. Talk to Boxcars and he will tell you they're in a cave.