What is the fine-grained topic of the following text: According to Japanese media reports, the Air Self-Defense Force’s Xintianyuan base in Xinfu Town, Miyazaki Prefecture, Japan, held a training ceremony for the F-15J fighter pilots on August 23, and a second-class air-conditioned Matsushima Meiya (26) On the 24th, Matsushima Miyako was assigned to the 5th Air Corps (Nintahara Base) and will drive the F-15 fighter. Only return the topic.
Training and assignment of F-15J fighter pilot Matsushima Miyako at Xintianyuan base in Japan.