It is often called “Sports Aikido” or “Tomiki Aikido,” but its actual name is Shodokan Aikido. Tomiki Kenji, the founder of this style of Aikido, chose this name.
The weapon, the naginata, is probably best described as a cross between a staff and a sword. It became a symbol of female empowerment and the protective role of the Japanese mother and wife in the art and culture of the time.
The Kodokan is a massive eight-story building in downtown Tokyo, where judoka from all over the world call home.