Kagaku ninja tai Gatchaman

An enormous dragon-shaped warship decimates a city with plasma beams and giant robotic arms. Its target is the Mantel Plan, a network unifying the world's energy resources. As the sinister ship heads for its next target a team of specialists rise to the rescue: the Gatchaman. Piloting their ship, the Phoenix, the Gatchaman launch a counterattack. Once inside the enemy ship they come face to face with the Galactor's entire army of assassins.