A Chinese military aircraft also directly violated Japanese airspace last month.Japanese Defense MinistryJapan said a Russian surveillance plane violated its airspace three times on Monday.The Japanese Air Self-Defense Force scrambled fighters and fired flares in response.A Chinese military plane violated Japan's airspace last month.A Russian military spy plane violated Japan's airspace multiple times on Monday, prompting it to scramble fighters and fire flares in response.The incident comes a month after another incident last month in which a Chinese military surveillance plane directly violated Japanese airspace for the first known time.The Japanese defense ministry reported Monday's violation of its airspace, confirming that a Russian military IL-38 patrol aircraft flew into Japanese airspace off Rebun Island and northwest of Hokkaido, Japan's northernmost main island.The spy plane entered the airspace three times, Japan noted, for periods of one minute, 30 seconds, and one minute, respectively.In response to this incursion, the Japanese Air Self-Defense Force scrambled its F-35 and F-15 fighter jets and fired flares to warn off the Russian aircraft.