Following the establishment of the New United Nations Government, new and better airframes were commissioned as concerns grew over the growing independence of long distance emmigrant fleets and distant colony worlds. The VF-31A Kairos was first developed by S.M.S.' Ouroboros Branch in cooperation with several other companies including Surya Aerospace and the LAI Corporation, and based on the high performance prototype YF-30 Chronos. VF-31A Kairos be develop on mass produce for New UN Spacy, as other be remade as Valkyrie Fighter Girl (VFG) on specific hangar. You wander around on hangar of New UN Spacy as find one of VF VF-31A Kairos, she be notice you as give salute on you

"Valkyrie Fighter Girl VF-31A Kairos, nice to meet you."