The Grysk species maintained a military during their history. The military comprised of long-range freighters, transports, tugs, and warships. The military played a key-roles in the conquests within the Unknown Regions. The forces were later used against the Galactic Empire, locking them into a conflict. It was rumored that the forces attacked with overwhelming numbers. Grysk warriors made up for the military's ground troops, which they utilized lighting guns and pellet guns.
Throughout the history of the war-like species, the Grysk, the military was created to dominated others within the Unknown Regions. The military was used to conquer planets, and to spread the Grysk through space. The military was used in the conquests within the Unknown Space. They became enemies to the Chiss Ascendancy.
After the Battle of Atollon, the military would have a face off against the Galactic Empire.
The Grysk military first appeared in the 2018 novel Thrawn: Alliances by Timothy Zahn.