The three objects strongly suggesting Chinese surveillance balloons confirmed in Japan's airspace since November 2019 were near important infrastructure such as a nuclear power plant and Self-Defense Forces facilities.
This has prompted the Defense Ministry to strengthen its monitoring of the airspace.
Facing the East China Sea in Kagoshima Prefecture is the city of Satsuma-Sendai. On Nov. 20, 2019, an employee of the Sendai Space Museum captured images of an object through a telescope. The museum, which specializes in astronomical observation, was notified by a resident that a possible UFO was flying over the city.
