G-509 Gyroglider – Retrofit Version The G-509 Gyroglider Retrofit is a modernized and completely redesigned version of the original G-509. While the base version was already considered a highly agile third-generation special fighter, the Retrofit version elevates the concept to a completely new technological level. Its extreme maneuverability, combined with an oversized energy system and a weapons loadout typically found only on much larger platforms, makes it one of the most dangerous strike gliders in its class. The Retrofit is capable of both precise hit-and-run attacks. Its extreme maneuverability, combined with an oversized energy system and a weapons load typically found only on much larger platforms, makes it one of the most dangerous strike gliders in its class. The modernization ensures that the G-509 remains an indispensable specialist tool within the Enderas Aerospace Group – a compact but brutal high-energy fighter that has perfected its role as a tactical “problem solver”.