Home Defense Fleets [HD] – These fleets are called when we need to expel enemies from our space or have to save larger assets, i.e, capitals and supers – Attendance is suggested, however not mandatory
Roaming Fleets [ROAM] – These fleets are taken out by Fleet Commanders casually, just to get some PvP action going – Completely optional
Skirmish Operations [SKIRM] – These operations have an objective to be completed – Attend if you can, however not mandatory
Strategic Operations [STRATOP] – These operations are for objectives at a Coalition/Alliance level – These are to be attended if you are online and prepared
Call To Arms [CTA] – These operations are of maximum importance to everyone – You must attend these operations. “Say goodbye to your family, partner and your pet: this is it, you have to be there, 100%.”