Gatchaman

At the beginning of the 21st Century mankind is under attack by invaders Galactor. Within 17 days half of the civilization is annihilated. On the verge of extinction humankind’s only hope against the invaders are mysterious crystals called the Stones. These Stones empower certain humans who were born Receptors. Statistically there is only one Receptor in 8 million. After the International Science Organization combs the land for Receptors, the chosen few gather to train as special agents by Dr. Nambu. They are to be groomed as the ultimate weapon against the deadly invaders. These modern day ninjas, empowered by extraordinary Stones are called Gatchaman: Ken the Eagle, Joe The Condor, Jun the Swan, Jinpei the Swallow, Ryu the Owl.