-click on a fleet with two or more ships to open fleets
-drag a ship from one fleet to "new fleet" or another fleet
-the label ( Ship Class "Colony Ship" ) is still
displayed, even though the ship isn't selected.
This stays displayed even if the mouse cursor is moved
away, but changes or disappears as soon as the mouse
cursor is moved over the bottom half of the fleets
window (where ships in a fleet are shown)