 If you liked
Sky Girls
|
 ...then you might like
Vividred Operation
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Girls using technology to fly and fight off a invasion.
The girls are also very close to each other or become close over the course of the series.
And in both the main character needs to transfer because of the airforce.
In both series, there are young girls who has the responsibility and power to stop an invasion. It is up to them to stop the violence and eradicated the threat.
Both series' main character also shares a bond of friendship and are willing to help others in need.
Both series contains action, drama, and some fan service. Most of that action takes place in the form of aerial combat as the girls in both series uses advanced technology to combat their foe.