Explorer of Eve,
Class 1 = Hideaway or Drone Cluster (easiest)
Class 2 = Burrow or Drone Collection
Class 3 = Refuge or Drone Assembly
Class 4 = Den or Drone Gathering
Class 5 = Yard or Drone Surveillance
Class 6 = Rally Point or Drone Menagerie
Class 7 = Port or Drone Herd
Class 8 = Hub or Drone Squad (10m base)
Class 9 = Haven or Drone Patrol
Class 10 = Sanctum or Drone Horde (hardest)

Hidden +1 > Forsaken +2 > Forlorn +3

Faction [Hardener To Use] (Ammo to use against):

*Angel [Kinetic/Explosive] (Explosive)
*Blood Raiders [EM/Thermal] (EM)
*Drones [All 4] (EM)
*EOM [Kinetic/Thermal] (Thermal)
*Guristas [Kinetic/Thermal] (Kinetic)
*Khanid [EM/Thermal] (Thermal)
*Mercenary [All 4] (Thermal)
*Mordus [Kinetic/Thermal)
*Sansha [EM/Thermal] (EM)
*Serpentis[Thermal/Kinetic] (Kinetic)
*Sleepers Omni Tank & DPS

Distences:
1 AU = 149.6m km
3 AU = 448.8m km
7 AU = 1.047.2m km
14.355 AU = 2,147.7m km