Gatchaman(1994)

Gatchaman is a science fiction series set in 2066, where geopolitical tensions spike when the Republic of Hontworl mysteriously withdraws from the United Nations. The crisis deepens when the bird-like flying fortress known as the Turtle King attacks Myori, capital of the Republic of Triad. As the International Science Organization, led by Dr. Kouzaburou Nanbu, scrambles to respond, its leading scientists begin vanishing without trace. The organization calls upon the Science Ninja Team—five elite Gatchaman warriors—to uncover the conspiracy behind the attacks and the disappearances. With global security at stake, the team must race against time to stop an enemy whose motives remain shrouded in mystery.