The reduction in the number of Zumwalt-class destroyers to 3 from 32 is going to give a further boost to the Arleigh Burke class as it is the only destroyer in mass production for now.

Most modern yacht in the world. Designed to navigate under sail power alone she is one of the most advanced sail boats in the world. The British retail billionaire commissioned Italian shipbuilding company Benetti to build his superyacht. The Arleigh Burke class is the most successful destroyer class in the world with 62 warships in service and 7 more under construction.

The Oculus Yacht. Built by Oceanco shipyards in Holland and delivered in 2018 she has a steel hull an aluminum super structure and carbon fibre masts. Allen kept all the luxurious features of a superyacht but wanted.

Al Mirqab 250 million. It comprises one of the worlds largest and was dubbed the second most beautiful yacht in the world after it was completed in 2008. Oculus Yacht is a sea spectacle of the most true order a shining example of aqua ingenuity in this watery world.

Built in China by Corsair Yachts her owner was inspired by JP. Designed by England-based John Shuttleworth Yacht Designs Adastra looks eerily similar to the alien ships in the movie Battleship. BOAT rounds up the most radical and unusual superyacht concepts guaranteed to inspire your inner designer.

An apt replica she resembles a small classic cruise liner with a smoke stack included. Expect to shell out over 15 million if you like your iPad to go with this yacht. Galleon Freshly revealed by US designer Steve Kozloff the 160 metre superyacht concept Galleon comes complete with a fully enclosed hangar that can hold 10 helicopters.

Accommodating 12 guests Nero is one of the most expensive charter yachts. The Maltese Falcon with its 88 meters is one of the most recognized and appreciated yachts of all time. The Savarona was built in 1931 by German shipmaker Blohm Voss for American heiress Emily Roebling Cadwallader whose family built the Brooklyn and Golden Gate Bridge.