Gettysburg was, by American Civil War standards, a massive battle. It's importance should not be downplayed. But it is also just a part of a larger mosaic of the war. There was great interest at the time in its outcome, but I doubt you'd find anyone in 1863 that would have called it a turning-point.
Smoke n Booze Duty Free currently has 3 locations, Port Zante Cruise Ship Terminal, Frigate Bay, and the new inbound duty free store at the Robert L Bradshaw International Airport. Smoke n Booze is the first inbound airport duty free store in the Federation, and caters only to arriving passengers.
Go straight to end of road. Turn Left onto Frigate Bay Road. At 1st roundabout keep right (take 2nd exit), continuing on Frigate Bay Road. At second roundabout, take 1st exit and at third roundabout, take 1st exit. Continue to hotel on right.