Information:  - The 165th Airlift Wing (165 AW) is a unit of the Georgia Air National Guard, stationed at Savannah Air National Guard Base, in the U.S. state of Georgia. If activated to federal service, the Wing is gained by the United States Air Force Air Mobility Command.  - The 158th Airlift Squadron ( 158 AS ) is a unit of the Georgia Air National Guard 's 165th Airlift Wing ( 165 AW ) located at Savannah Air National Guard Base , Georgia . The 158th is equipped with the C - 130H Hercules and is operationally - gained by the Air Mobility Command ( AMC ) .  - The Air National Guard (ANG), also known as the Air Guard, is a federal military reserve force as well as the militia air force of each U.S. state, the District of Columbia, the Commonwealth of Puerto Rico, and the territories of Guam and the U.S. Virgin Islands. It, along with each state's Army National Guard component, makes up the National Guard of each state and the districts, commonwealths and territories as applicable.  - Illinois is a state in the midwestern region of the United States, achieving statehood in 1818. It is the 5th most populous state and 25th largest state in terms of land area, and is often noted as a microcosm of the entire country. The word "Illinois" comes from the Algonquin word for "tribe of superior men". With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal, timber, and petroleum in the south, Illinois has a diverse economic base and is a major transportation hub. The Port of Chicago connects the state to other global ports from the Great Lakes, via the Saint Lawrence Seaway, to the Atlantic Ocean, as well as the Great Lakes to the Mississippi River, via the Illinois River. For decades, O'Hare International Airport has been ranked as one of the world's busiest airports. Illinois has long had a reputation as a bellwether both in social and cultural terms and politics.  - Air Mobility Command (AMC) is a Major Command (MAJCOM) of the U.S. Air Force. AMC is headquartered at Scott Air Force Base, Illinois, east of St. Louis, Missouri.  - Scott Air Force Base is a United States Air Force base in St. Clair County, Illinois, near Belleville and O'Fallon, 22 miles Northeast of downtown St. Louis. Scott Field was one of thirty-two Air Service training camps established after the United States entered World War I in April 1917. It is part of the Air Mobility Command (AMC), and is also the headquarters of the U.S. Transportation Command, a Unified Combatant Command that coordinates transportation across all the services.  - The Georgia National Guard is the National Guard of the U.S. state of Georgia, and consists of the Georgia Army National Guard and the Georgia Air National Guard. (The Georgia State Defense Force is the third military unit of the Georgia Department of Defense, part of the Government of Georgia.) The Constitution of the United States specifically charges the National Guard with dual federal and state missions. The state functions range from limited actions during non-emergency situations to full scale law enforcement of martial law when local law enforcement officials can no longer maintain civil control.  - The Georgia Army National Guard is the Army National Guard component of the Georgia National Guard, administratively part of the Georgia Department of Defense. It consists of more than 11,100 citizen-soldiers training in more than 79 hometown armories and regional facilities across the state. Georgias Army Guard is the eighth largest in the nation and includes combat, combat support and combat service support units.  - The United States Air Force (USAF) is the aerial warfare service branch of the United States Armed Forces and one of the seven American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on 18 September 1947 under the National Security Act of 1947. It is the most recent branch of the U.S. military to be formed, and is the largest and one of the world's most technologically advanced air forces. The USAF articulates its core functions as Nuclear Deterrence Operations, Special Operations, Air Superiority, Global Integrated ISR, Space Superiority, Command and Control, Cyberspace Superiority, Personnel Recovery, Global Precision Attack, Building Partnerships, Rapid Global Mobility and Agile Combat Support.  - A U.S. state is a constituent political entity of the United States of America. There are 50 states, which are bound together in a union with each other. Each state holds administrative jurisdiction over a defined geographic territory, and shares its sovereignty with the United States federal government. Due to the shared sovereignty between each state and the federal government, Americans are citizens of both the federal republic and of the state in which they reside. State citizenship and residency are flexible, and no government approval is required to move between states, except for persons covered by certain types of court orders (e.g., paroled convicts and children of divorced spouses who are sharing custody).  - The Georgia Air National Guard (GA ANG) is the air force militia of the U.S. state of Georgia. It is, along with the Georgia Army National Guard, an element of the Georgia National Guard.    Given the information above, choose from the list below the object entity that exhibits the relation 'instance of' with the subject '158th airlift squadron'.  Choices: - air force  - airport  - april  - area  - armed forces  - army  - base  - branch  - building  - command  - component  - country  - field  - force  - government  - international airport  - jurisdiction  - law  - limited  - major command  - military  - military reserve force  - military unit  - nation  - ocean  - part  - politics  - rapid  - region  - republic  - river  - scale  - service  - sharing  - state  - territory  - training  - tribe  - wing  - world war
military unit