Edward (a.k.a. Ed) is a former AE solider and an acquaintance of Anne. He's also the former Ace of Bardia. As such, he uses his elite piloting skills numerous time throughout Main Episode-0 Pray to safely escort Anne through the battlefield chaos.
When he realizes he's traveled to planet Arin while aboard the Alcyone with Anne he starts crying, to the bewilderment of A-10.