Stratos 4 Advance is a oVA anime that premiered in spring 2005.

About the production: there are 6 episodes of about 26 minutes and its current status is "finished".

Its main genres are comedy and sci-fi, with themes such as Shounen.

On AniList, Stratos 4 Advance has an average score of 60%, an average score, and appears on 1,019 users' lists.

The franchise continues in or follows from: Stratos 4 OVA and Stratos 4 Advance: Kanketsu-hen.

Having failed the Comet Blaster exams mysteriously, Mikaze and her friends are sent back to the Shimoji Island base, where, with three new Meteor Sweeper trainees around, they have been 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--begins to unravel.

Official synopsis from AniList.