English: Intertropical Convergence Zone
German: Das Doldrums ist eine Windstillengürtel oder Kalmen. Alte seemänische Bezeichnung für die Subtropenhochs. Wegen der oftmals wochenlang anhaltenden Windstille bei Seefahrern gefürchtet.
Length overall (LOA) means The maximum length of a vessel's hull measured parallel to the waterline, usually measured on the hull alone, and including overhanging ends that extend beyond the main bow and main stern perpendicular members.
A Navy is a fleet of waterborne military vessels. It is a part of the armed forces of a nation.
It includes anything
- on surface (battle ship s, carriers, cruisers, destroyers),
- below surface (submarines)
- amphibious ships,
- and seaborne aviation.
- Also included is the support, communications, training, investigation
A ship is any large watercraft. Ships are generally distinguished from boats by their capacity (passengers or goods). They are (normally) swimming unlike floating submarines and hovercrafts. Ships have an organized crew with different functions and command levels, while boats have a maximum of a leader (coxswain, steering man).