Question: The Fairchild C-123 Provider has performed service for what type of force?
Sentence (from "Air National Guard"): 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.
Relevant evidence: Yes