propellerrudderdivers_dsc0902_jpg Published February 23, 2015 at 600 × 436 in propellerrudderdivers_dsc0902_jpg Visibility is so low that divers have to carefully steer clear of the ship’s giant propeller. (Photo by Laurie Penland) Visibility is so low that divers have to carefully steer clear of the ship’s giant propeller. (Photo by Laurie Penland)