Stratos 4 Advance Kanketsuhen

Mikaze and her 3 friends are promoted to instructor positions. Meanwhile more comets are on their way to Earth and the mysteries behind the rift in the Cosmic Emergency Management Agency as well as the alien parasites begin to unravel. A shortage in pilots at the base calls for some drastic measures, and co-ordinated teamwork on everyone's part. In addition, Miharu has escaped from her captivity and everyone scrambles to find her and determine her intentions.