Stellaris : Galaxy Command is set after The Culling, a war between monstrous inter dimensional beasts and all sentient life in the galaxy 1 Peace was never an option If his capital is vulnerable and you (1) see a clear path of approach and (2) have the armies to counter his defenses, The simplest way is to build a series of fleets centered. Most naval stats are averaged when it comes down to fleet-level calculations, so it's a pretty safe bet when in doubt. To answer the question: @bitmode's article on Naval Warfare actually elaborates on that. Basically, a single ship task force will spot as well as a task force of couple dozen (who cares that two dozen ships will cover much larger area, right?) because everything gets averaged. So after doing aggressive abduction missions in a industrial primitive world, the Xenos became more xenophobic and united and formed a supranational organization to fight my “observation” missions. They intercepted my shuttles with their aircraft and got good at it. Had an event to destroy their base and it failed. Now I’m trying to covertly infiltrate the world but am getting set.