Registration is open for the 3rd Annual Trick-or-Treat event aboard the USS Yorktown on Saturday, October 21 from 5:30-7:30 p.m. Admission to the event is free, but advance registration is required at eventbrite.com/e/uss-yorktown-trick-or-treat-tickets-728836819547?aff=oddtdtcreator #PatriotsPoint #MountPleasant #ExperienceMP #CharlestonSC #Charleston #CHSToday #ExploreCharleston #DiscoverSC #SouthCarolina #Halloween #trickortreat