Complex sentence: The Royal Canadian Navy's Atlantic Fleet, known as Maritime Forces Atlantic (MARLANT), is headquartered and homeported at CFB Halifax in Halifax, Nova Scotia and is supported by CFS St. John's in Newfoundland.
Split into simpler sentences: The Royal Canadian Navy's Atlantic Fleet, known as Maritime Forces Atlantic (MARLANT), is headquartered and homeported at CFB Halifax in Halifax, Nova Scotia. It is supported by CFS St. John's in Newfoundland.