The Saga of Tanya the Evil, Vol. 18 (manga)

"As the second and third phases of Operation Shock and Awe move forward, Tanya and the designated company of the 203rd Battalion prepare for a leisurely flight home. The Empire's victory seems close at hand--which only makes it more of a surprise when two battalions of aerial mages, led by the Commonwealth's most storied ace of aces, run into Tanya on their way to sneak-attack Western Army Group HQ. While it's surely too late for the Commonwealth to turn the tide by finally entering the war, taking out this underequipped quarter of the 203rd is far more achievable..."--