There is no such thing as a national guard group.
Hutchinson Air National Guard Base was created in 1942.
Harrisburg Air National Guard Base was created in 1917.
Rickenbacker Air National Guard Base was created in 1942.
Portland Air National Guard Base was created in 1940.
Savannah Air National Guard Base was created in 1941.
Bangor Air National Guard Base was created in 1927.
Selfridge Air National Guard Base was created in 1917.
Lincoln Air National Guard Base was created in 1943.
New Castle Air National Guard Base was created in 1943.
Van Nuys Air National Guard Base was created in 1942.
Sioux City Air National Guard Base was created in 1942.
McGhee Tyson Air National Guard Base was created in 1952.