Ships are built at the Star Fortresses by Ketsurui Fleet Yards.
For starships currently being built, see Star Army Starships Under Construction.
Cosmos Star Fortress, NK-X1-08, is a Zodiac-Class Star Fortress stationed at UX-12 Scrapyard. It sustained major damage from NMX attacks.
Gemini Star Fortress, NK-X1-06, is a Zodiac-Class Star Fortress stationed at Hanako's Star.
Ketsurui Star Fortress, NK-X1-01, is a Iori-Class Star Fortress stationed at Himiko System.
Scorpio Star Fortress, NK-X1-09, is a Zodiac-Class Star Fortress stationed at Hanako's Star for extensive repairs. It was very heavily damaged by the NMX.
Virgo Star Fortress, NK-X1-07, is a Zodiac-Class Star Fortress stationed in the Samurai Sector, helping the 1st SF.
The 1XF Starship Improvement Program identifies and corrects faults in older starship designs, as well as implementing new technologies to increase ship capabilities.
The 1XF Starship Refit Program primarily deals with taking older starships from the fleet and depot and bringing them up to standard by outfitting them with the latest improvements developed by the Starship Improvement Program.