U.S. Navy Ships Screen Saver - Version 1.0 Protect your monitor with photos of U.S. naval ships with the Navy Ships Screen Saver. You'll see Aircraft carriers, Surface ships, Submarines and more. Six images are included in this non-expiring demo version, with a total of 50 pictures in the purchased edition. The package is powered by an excellent screen saver engine with lots of options: Select the time between pictures, show the photos full-screen or at original size, choose from any or all of 23 special transition effects, and utilize Microsoft Plus! Support. The package also includes a Screen Saver Control utility that is very handy. If you're fan of naval ships, you'll enjoy this screen saver.