Amongst the benefits of LROCV membership are the various Vehicle Registers and Special Interest Groups. 

They include Series Register (for Series Land Rovers), Forward Control Register, Defender & County Register (original Defenders), Range Rover Register (early model RRs), Discovery 1 & 2 Register, Discovery 3 4 & RRS Register, L663 Defender Register, Communications Special Interest Group (for all things radio), the Bush Matters Group (with a conservation focus), Memorabilia and Collectibles Special Interest Group (from models to esoteric knowledge of all things LR), Restoration Special Interest Group (for help with those bigger projects)

Members can see them on the Member Info page Vehicle Registers and Special Interest Groups