let's go to macon island. thatiss the large amphibious helicopter. >> outside, it looks the same, but on the inside, it has electric motors to turn the props. >> steam driving steam turbines to drive the ship? >> yes. as opposed to diesel generators. itt also has two turbines that the ship can take in when it needs to make a high-speed run. it runs more efficiently. the navy hopes it will acquire less maintenance. >> and getting under way is the push of a button from getting way with the evolution earlier. >> yes. you can push a button and get under way quickly. >> what other changes are in the design? >> it has two stacks on the super structure that you notice immediately for the exhaust for the turbines. it has a new ship sense about it. it has been in new york for several years because of delays and problems. as opposed to the earlier ships which are 20 years or older. it is brand new with the state- of-the-art features. >> let's go to the port royal. it was grounded off honolulu february 5th. the navy has