The only problem is that if the rest of the drawing is to be believed, that torpedo is going to hit the sand. The only way waves break like that is on a beach.
The clouds in the upper left look like they are from a volcano.
Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)