How propulsion rules shape fictional space warfare

What would space combat look like under different fictional propulsion systems?

Free-entry propulsion disperses defence, while fixed arrival points create fortified chokepoints where missiles, mines, authentication layers and patrol craft can control access.

The strategic map depends on how ships travel. Warp-like movement allows entry almost anywhere, while fixed slipstream exits create chokepoints that defenders can fortify. Stations, missiles and controllable minefields would make those arrival zones dangerous even when a mine achieved only a mission kill. Authentication codes could open one layer while holding an unfamiliar ship before a second field until an inspection vessel arrived. If small craft are practical, larger carriers would support them while other ships carried limited fighter complements. The science-fiction setting is used to apply naval ideas about access control, layered defence and damage short of destruction.