Sixteen families lost loved ones serving with 40 Commando in Afghanistan. But the unit was by no means the only one to be affected by the conflict.
Families from across our region lost sons, brothers and fathers, who were serving in military units based across the South West.
Ahead of today's parade our Somerset Correspondent David Woodland spoke to Judy Gaden, the mother of Corporal Tom Gaden, who was killed in Afghanistan four years ago:
More top news
Expect more rain tonight along with strengthening winds. It will be showery tomorrow with bright breaks. Reaching 14 C but feeling colder
Plenty of rain tonight with strengthening winds. Showery tomorrow with temperatures reaching 13 C - feeling colder in the wind
A fox cub is recovering at a wildlife rescue centre in Somerset after being saved by the dog owner. She's getting round-the-clock care