Magical Girl Lyrical Nanoha - Season 3 Episode 18

After all the TSA Land Headquarters, including Sixth Mobile Division, is completely defeated by Jail Scaglietti. Many of officers are injured. Vivio and Ginga were captured. Sixth Mobile Division is now unable to be the HQ anymore. Hayate decides to move all the units on to Arthra. It is also revealed that Nakajima family had adopted Ginga and Subaru a long time ago since they still were an experimental Cyborg Type-0 (Initial model of Numbers). Although they still needed the maintenance treatment like the other cyborgs until now, they were still treated kindly as normal girls.