Kendo and Iaido are both traditional Japanese martial arts that focus on swordsmanship, but they differ in their training methods, objectives, and techniques. Here are the key differences between Kendo and Iaido:

Kendo:

1. Training Method: Kendo is primarily practiced through sparring with opponents using bamboo swords (shinai) and wearing protective armor (bogu). It involves full-contact strikes and emphasizes the development of timing, footwork, and combat skills.
2. Competitive Aspect: Kendo includes competitive matches and tournaments where practitioners engage in one-on-one combat, applying their techniques and strategies to score points.
3. Dynamic and Energetic: Kendo training is intense and physically demanding, focusing on speed, agility, and striking techniques.
4. Mental Focus: Kendo promotes the cultivation of a fighting spirit, mental resilience, and the ability to make quick decisions under pressure.
5. Physical Conditioning: Kendo provides a rigorous workout, improving stamina, reflexes, and overall physical fitness.

Iaido:

1. Solo Practice: Iaido is primarily practiced through solo forms (kata) where practitioners perform pre-arranged techniques against imagined opponents. It focuses on perfecting the drawing, cutting, and sheathing of the sword.
2. Mindfulness and Precision: Iaido emphasizes mindfulness, concentration, and the development of a calm and composed mind. It places importance on proper form, control, and precise execution of techniques.
3. Historical and Cultural Connection: Iaido is rooted in the traditions and techniques of the samurai, providing a historical and cultural context for learning the art.
4. Non-competitive Nature: Iaido is a non-competitive martial art and does not involve sparring or contests. The focus is on personal development, self-discipline, and mastery of technique.
5. Body Control and Awareness: Iaido training emphasizes body posture, control, and coordination. It helps practitioners develop heightened body awareness, physical discipline, and precise movements.

While Kendo and Iaido both have a swordsmanship foundation, their training methods, objectives, and philosophies differ. Kendo emphasizes the dynamic and competitive aspects of sword fighting, while Iaido focuses on precision, mindfulness, and personal development through solo practice.