This is the hull for a Greek trireme, the most famous of all classical warships. This particular model is rather "Spartan," i.e. not heavily decorated, and I thought such an approach was appropriate for my 300th model! This ship has provision for 148 oars and a single mast, and has plenty of deck space for hoplites above.
This model is the subject of my fourth CAD tutorial, which you can view here: