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* Rearguard: a system at least two jumps from any frontline systems. | * Rearguard: a system at least two jumps from any frontline systems. | ||
Permanent frontline systems (PFLs) are systems that | Permanent frontline systems (PFLs) are systems that cannot be made command ops or rearguard systems by the enemy militia due to adjacency to friendly empire-controlled systems. | ||
[[File:amarr minmatar frontlines.png|400px|thumb|left|Floseswin is a Minmatar frontline system, adjacent to Amarr frontlines Uisper and Aset. Ardar is a Minmatar command ops system, one jump from the Minmatar frontline. Hadozeko, Resbroko, and other dark red systems far from the frontlines are examples of Minmatar rearguard systems.]] | [[File:amarr minmatar frontlines.png|400px|thumb|left|Floseswin is a Minmatar frontline system, adjacent to Amarr frontlines Uisper and Aset. Ardar is a Minmatar command ops system, one jump from the Minmatar frontline. Hadozeko, Resbroko, and other dark red systems far from the frontlines are examples of Minmatar rearguard systems.]] | ||
[[File:alparena permafrontline.png|400px|thumb|center|Alparena is a permanent frontline: it cannot be made into a command ops or rearguard system by the Caldari Militia because it is one jump from Maut, an empire-owned Gallente system.]] | [[File:alparena permafrontline.png|400px|thumb|center|Alparena is a permanent frontline: it cannot be made into a command ops or rearguard system by the Caldari Militia because it is one jump from Maut, an empire-owned Gallente system.]] | ||