In 1941 How did the japanese army and air-force compare to the american army and air-force?

The Japanese had been at war in China for 5 years up till 1941. The Army was experienced and battle harened. The United States had a small army with no combat experience. The Japanese airforce was modern with small bombers and agile fighters. The Zero fighter aircraft was superior to any American fighter aircraft.

they were at war for 5 years