A visual representation illustrating the layout of the ExGal-4 installation located on Belkadan. ExGal-4 existed as a listening post operated by the Extragalactic Society situated on Belkadan, specifically within the Dalonbian sector.
In 25 ABY, Yomin Carr, a warrior of the Yuuzhan Vong, successfully infiltrated the facility. Carr unleashed the dweebit upon Belkadan, facilitating the spread of yorik coral across the planet's surface.
In addition to Danni Quee, Bensin Tomri, Garth Breise, Tee-ubo Doole, Cho Badeleg, Luther De'Ono, Bendodi Ballow-Reese, Jerem Cadmir, Lysire Donabelle, one unnamed woman, and four unnamed men, there were 14 individuals working at ExGal-4, one of whom was an Imperial operative: