The Revelation of Mysterious Mechanical Eagle (Nazo no Taka MEKA no Shoutai- 謎の鷹メカの正体) - S1.E27

The mysterious red mechanical eagle was piloted by General Dange who, together with Dr. GOU Kentarou, ran the secet rebel base in Alpine mountains. When a mother and a baby in their base needed to be medically taken care of, he flew them to Big Falcon but unfortunately the enemy spotted them on their way.