Mr Robson, a leading air engineering mechanic, was on the flight deck manning light machine guns when three bombs struck the ship.

BBC: HMS Coventry sinking remembered on 30th anniversary

Still, much of the pleasure of the cruise is being aboard the gulet, lounging on deck and breathing in the sea air.

BBC: Five ways to hit the high seas

Korean Air gets around that by designating the entire upper deck (94 seats) as business class, plus 12 first class suites and 301 economy class seats on the lower deck.

FORBES: The Newest A380: 407 Passengers Or 35 Million Ping-Pong Balls

There are no fixed walls, and each deck is hollow, allowing technicians to run compressed air, electricity and data feeds to wherever they are needed.

ECONOMIST: The future on display