Beside the body was a pack of cigarettes with Korean writing on it.
Four people were arrested in the drug bust after a two-day search.
The cruise ship will have an ice rink, a robo-bartender, and a 10-story waterslide.
Exercise was designed to test the response of authorities to a hypothetical terror attack.
The two vessels from the North retreated after the South fired five 40 mm artillery shots.
The ship is carrying 3,600 tons of cargo and 300 tons of fuel.
More than 100 politicians and journalists crammed into the boat on the River Spree.
The menu, dated April 14, 1912, includes corned beef, grilled mutton chops, Norwegian anchovies and a variety of cheese.
More than 2,300 people have died this year in attempts to reach Europe by boat.