1)   U.S. Coast Guard Screensaver 1.0
U.S. Coast Guard Screensaver.
screensaver, screen saver, coast guard, boat, ships, sailing, sea, ocean, maritime, war,

 2)   Maritime Quizz 1.0
With MaritimeQuizz, learning maritime flags and morse code is easy and fun. You learn first by clicking on flags, hearing the morse code and corresponding messages. Later you can let the program quiz you on flags, morse and international messages.
maritime, flag, communication, boat, sailboat, sailing, cruising, ship, morse, code,

 3)   Submarines for Mac 1.3
You're the captain of a ship moving through a mine field. Use your depth charges to destroy the enemy subs laying those mines before one blows a hole in your hull. Watch out for the sea creatures. Some can help but others just get in the way.
submarines, submarine, arcade, game, ship, bomb, mine, depth, charge, sea,