sentence: Marine forces are usually part of the navy, but they can be part of the army or act on their own.
sentences_before: Marines specialize in military actions in other countries, such as an attack by sea and occupation. Marines usually have strong links with the country's navy. The commander in the field is usually the commander of the fleet. Support for the marines such as medical, legal, and supplies come from the navy. The anchor is often used as a symbol for the marines.
concept_name: marine force
headings: Marine (military)
categories: Marines