Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
accumulator air airscrew ambush attack battery cabin carcass cockpit construction control design device dive diving engine equipment facilities fin flight float fly flying frame framework hide hiding hull landing layout motor navigation periscope plain plane propeller rendering sailing search security ship skeleton stabilizer structure submarine submergence submersion suddenness surprise system tail torpedo transport travel unexpectedness wing