What is "shore patrol"

n. A special unit of the military police of the United States Navy or the Royal Navy. Their duties are to police#Verb the seamen while they are on shore leave.

n. the military police of the navy

Shore patrol are service members who are provided to aid in security for the U.S. Navy, United States Coast Guard, United States Marine Corps, and the British Royal Navy while on shore. They are often temporarily assigned personnel who receive limited training in law enforcement and are commonly armed with a baton. Their primary function is to make certain that sailors on liberty do not become too rowdy. They will also provide assistance for sailors in relations with the civilian courts and police.