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1.
A sea-based branch of the United States military that is jointly operated by the Department of Defense and the Department of Homeland Security. During times of war, they assist the Navy. During times of peace, their general duties include: border patrol, immigration control, environmental protection, search and rescue, and stopping drug trafficking into the Untied States.
Ensign Jones was part of the U.S. Coast Guard.
by Nicolai April 10, 2004
393 65
 
2.
The smallest of the five branches of the U.S. military. They are under-funded and under-appreciated, but they are vital to national security. They conduct search & rescue, counterterrorism, customs & immigration enforcement, and environmental law compliance tasks.
The U.S. Coast Guard doesn't get the publicity or credit they deserve.
by J-rad March 03, 2007
349 66
 
3.
Those who police the police.
Lisa: If you're the police, who will police the police?

Homer: I dunno. Coast Guard.
by propensity May 25, 2004
412 133
 
4.
That hard nucleus of seagoing professionals around which the Navy forms in times of war.
Good evening, Mrs. Navy Wife. I'm in the Coast Guard & I'll be your date tonight.
by Objee September 16, 2003
355 109
 
5.
The hardest working and most important of the United States' 5 armed services, performing search & rescue, drug and illegal immigrant interdiction, as well as port security.
Dude, the US Coast Guard is the coolest fucking service ever!!
by LT JG Neffson September 03, 2004
357 155
 
6.
The oldest sea-going branch of the military and most unknown. Under the Department of Homeland Security, the Coast Guard's main mission is the safety of personnel and property at sea. 98% of Coast Guard assests are comprised of hand-me-downs from the Navy.
NAVY SAILOR: "Damn, a Coastie took my wife."

NAVY CHIEF: "Ya, the Coast Guard does that."
by uscggm07 January 01, 2009
131 36
 
7.
The USCG is the smallest of the United States' five military branches, but also unique in that it has some law enforcement jurisdiction and is operated by the DOH during peacetime. They perform search & rescue operations, protect ports and harbors, and stop drug smugglers, among other things. Although described by some as Navy washouts, the USCG performs very dangerous duties even during times of peace.
The drug boat was immobilized after a Coast Guard sniper hit the engine with a .50 caliber round.
by kmfr August 29, 2010
103 26