Hida is a hook Coordinator and former ZAFT elite pilot in the Army and still wearing the red ZAFT uniform.
Politically, it was always on the side of the former President of the High Council of PLANT, Siegel Clyne , who attempted a diplomatic war to settle the past. Now that a new war broke out, Hilda fights faithfully at the side of Lacus Clyne.
Hilda is the leader of the DOM Trooper's trio, with Mars Simeon and Herbert von Reinhard.