Complex sentence: The Force also operates in the fisheries protection role, giving the Government's Fisheries Department the capability of mounting its own armed defence against illegal fishing in Falkland waters, and it is also the mountain rescue agency for the Islands.
Split into simpler sentences: The Force also operates in the fisheries protection role, giving the Government's Fisheries Department the capability of mounting its own armed defence against illegal fishing in Falkland waters. It is also the mountain rescue agency for the Islands.