Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
상공엄호비행대는 적의 공격으로부터 하늘을 보호합니다.sanggong-eomho-bihaengdaeneun jeog-ui gonggyeog-eurobuteo haneul-eul bohohamnida.The air defense squadron protects the sky from enemy attacks.