Changes

==Martial arts career==

==Martial arts career==

After his left the Air Force, Norris began competing in martial arts tournaments. Some cite Norris as being the first American to earn an 8th degree black belt in Tae Kwon Do in 1997; however, there were at least two other Americans who earned theirs before him.<ref>Chuck Sereff received his in 1990, and Edward Sell earned his in 1991. They both have since earned their 9th degree black belt, making them the highest-ranking Westerners in the world in Tae Kwon Do.</ref> He has created his own form of martial arts, Chun Kuk Do, with the following rules:  

After his left the Air Force, Norris began competing in martial arts tournaments. He won at least 30 tournaments over his career, and held the title of World Professional Middleweight Karate Champion for six consecutive years. Some say that Norris, in 1997, became the first American to ever earn an 8th-degree black belt in Tae Kwon Do; however, there are two other Americans who earned their 8th-degree black belts before him.<ref>Chuck Sereff received his in 1990, and Edward Sell earned his in 1991. They both have since earned their 9th-degree black belt, making them the highest-ranking Westerners in the world in Tae Kwon Do.</ref> He has created his own form of martial arts, Chun Kuk Do, with the following rules:  

# I will develop myself to the maximum of my potential in all ways.

# I will develop myself to the maximum of my potential in all ways.