Nathan visits a Navy Seabees base; all about trailer hitches; repaint galvanized railing.

Nathan Gilbert travels to a Mississippi Navy Seabees base, where he learned carpentry as part of his naval training, to see what his former battalion have been working on; Tom Silva walks Kevin O'Connor through different types of trailer hitches, their uses, and what to consider for safe towing; Mauro Henrique helps a homeowner repaint her peeling galvanized stair railing.