USA National Karate-do Federation is the national governing body (NGB) of karate for the United States Olympic Committee and as such is the official Member National Association (MNA) of the World Karate Federation (WKF) in the USA.
The organization has complete authority over all decisions regarding U.S. national junior and senior team selections for World Karate Federation events. The tournaments that are held by the USA-NKF are big and nationwide and many famous martial artists attend the events. The USA Open is one of the largest international Black belt-only events in the world.
Every year the USA-NKF holds a competition, generally referred to as Nationals, where all the people who qualified in one of the many Qualifiers around the USA compete in different categories for the National Champion title.