Combat anomalies are broken into 10 different levels, which increase in difficulty and reward:
Hideaway
Burrow
Refuge
Den
Yard
Rally Point
Port
Hub
Haven
Sanctum

Sites tagged within them can potentially have three prefixes:
Hidden
Forsaken
Forlorn

For Rogue Drone sites:
Cluster
Collection
Assembly
Gathering
Surveillance
Menageries
Herd
Squad
Patrol
Horde

FUEL SMALL/YR
87600 Fuel Blocks
8760 Charters