The mission of the Navy is to maintain, train and equip combat-ready Naval forces capable of winning wars, deterring aggression and maintaining freedom of the seas.
The U.S. Coast Guard is one of the five armed forces of the United States and the only military organization within the Department of Homeland Security. Since 1790 the Coast Guard has safeguarded our Nation's maritime interests and environment around the world. The Coast Guard is an adaptable, responsive military force of maritime professionals whose broad legal authorities, capable assets, geographic diversity and expansive partnerships provide a persistent presence along our rivers, in the ports, littoral regions and on the high seas. Coast Guard presence and impact is local, regional, national and international. These attributes make the Coast Guard a unique instrument of maritime safety, security and environmental stewardship.
The mission of the United States Air Force is to fly, fight and win in air, space and cyberspace. Our rich history and our vision guide our Airmen as we pursue our mission with excellence and integrity to become leaders, innovators and warriors.
The Marine Corps has been America's expeditionary force in readiness since 1775. We are forward deployed to respond swiftly and aggressively in times of crisis. We are soldiers of the sea, providing forces and detachments to naval ships and shore operations. We are global leaders, developing expeditionary doctrine and innovations that set the example, and leading other countries' forces and agencies in multinational military operations. These unique capabilities make us "First to Fight," and our nation's first line of defense
The United States Merchant Marine are United States civilian mariners and a fleet of U.S. civilian and federally owned merchant vessels. These fleets are managed by either the government or private sector, and engage in commerce or transportation of goods and services in and out of the navigable waters of the United States.
The National Guard is a unique and essential element of the U.S. military. Founded in 1636 as a citizen force organized to protect families and towns from hostile attacks, today’s National Guard Soldiers hold civilian jobs or attend college while maintaining their military training part time, always ready to defend the American way of life in the event of an emergency.