Whereas, the other Axis partners had found the use of jet fighters to be effective, the Japanese with their more limited jet fighters (as well as their focus on the use of such fighters in the kamikaze role) were forced to consider other means of defence. Amongst these was a proposal that had been rejected in Germany – the Bachem Ba 349 rocket propelled, point defence interceptor. Able to be rapidly produced in large numbers using readily available materials (each Ba-349 or Rikugun Ki-203 as it was known in Japanese service, typically only needed to fly a single mission) and able to be flown by inexperienced pilots with only the most basic training, the Ba-349/ Ki-203 quickly found favour with the IJA.