 By Y188 ISC forces had reached Lyran space on the far side of the Octant and had spread everywhere in 'peacekeeping' duties.Andromedan ships had been encountered at random in steadily increasing numbers since Y166.In Y188 they launched the Andromedan invasion, which decimated the spread-out forces of the ISC, and put great pressure on all of the major powers of the Alpha Octant before the secret of their transportation network was discovered in Y195.