Airman 1st Class Hunter Banks, 628th Security Forces installation entry controller, checks a contractor’s credentials before he can enter the installation, Dec. 30, 2014, at Joint Base Charleston S.C. The 628th SFS defends all assets and personnel on JB Charleston, even during the holiday season when many Airmen and Sailors are taking time off. During the holidays, SFS forces switch to 12-hour shifts instead of their usual eight, and divide their duties into two elements to allow their personnel time off for the holidays. One element works the week of Christmas and the other element works the week of New Years. (U.S. Air Force photo/Senior Airman Jared Trimarchi)

Staff Sgt. Jessica Clay, 628th Security Forces Squadron Base Defense Operations Center controller, and Tech. Sgt. Dwayne Hurt, 628th SFS swings flight chief, review the patrolmen schedule Dec. 30, 2014, at the Base Defense Operations Center at Joint Base Charleston, S.C. The 628th SFS defends all assets and personnel on JB Charleston, even during the holiday season when many Airmen and Sailors are taking time off. During the holidays, SFS forces switch to 12-hour shifts instead of their usual eight, and divide their duties into two elements to allow their personnel time off for the holidays. One element works the week of Christmas and the other element works the week of New Years. (U.S. Air Force photo/Senior Airman Jared Trimarchi)

Airman 1st Class Hunter Banks, 628th Security Forces Squadron installation entry controller, Tech. Sgt. Dwayne Hurt, 628th SFS swings flight chief, and Airman 1st Class Justin Colmer, 628th SFS installation entry controller, stand ready at the Dorchester gate, Dec. 30, 2014, at Joint Base Charleston S.C. The 628th SFS defends all assets and personnel on JB Charleston, even during the holiday season when many Airmen and Sailors are taking time off. During the holidays, SFS forces switch to 12-hour shifts instead of their usual eight, and divide their duties into two elements to allow their personnel time off for the holidays. One element works the week of Christmas and the other element works the week of New Years. (U.S. Air Force photo/Senior Airman Jared Trimarchi)

A 628th Security Forces patrol vehicle flashes blue lights Dec. 30, 2014, at Joint Base Charleston S.C. The 628th SFS defends all assets and personnel on JB Charleston, even during the holiday season when many Airmen and Sailors are taking time off. During the holidays, SFS forces switch to 12-hour shifts instead of their usual eight, and divide their duties into two elements to allow their personnel some time off for the holidays. One element works the week of Christmas and the other element works the week of New Years. (U.S. Air Force photo/Senior Airman Jared Trimarchi)

Airman 1st Class Hunter Banks, 628th Security Forces installation entry controller, holds a package of cookies given to him by a base visitor as thanks for working during the holidays Dec. 30, 2014, at Joint Base Charleston S.C. The 628th SFS defends all assets and personnel on JB Charleston, even during the holiday season when many Airmen and Sailors are taking time off. During the holidays, SFS forces switch to 12-hour shifts instead of their usual eight, and divide their duties into two elements to allow their personnel time off for the holidays. One element works the week of Christmas and the other element works the week of New Years. (U.S. Air Force photo/Senior Airman Jared Trimarchi)

Staff Sgt. Natasha Bouie, 628th Security Forces Squadron swings flight chief, smiles while standing her post at the Hunley Park Gate, Dec. 30, 2014, at Joint Base Charleston S.C. The 628th SFS defends all assets and personnel on JB Charleston, even during the holiday season when many Airmen and Sailors are taking time off. During the holidays, SFS forces switch to 12-hour shifts instead of their usual eight, and divide their duties into two elements to allow their personnel time off for the holidays. One element works the week of Christmas and the other element works the week of New Years. (U.S. Air Force photo/Senior Airman Jared Trimarchi)

Officer Patrick Traywick, from the 628th Security Forces Squadron, checks a motorcyclist’s credentials at the Dorchester gate, Dec. 30, 2014, at Joint Base Charleston S.C. The 628th SFS defends all assets and personnel on JB Charleston, even during the holiday season when many Airmen and Sailors are taking time off. During the holidays, SFS forces switch to 12-hour shifts instead of their usual eight, and divide their duties into two elements to allow their personnel time off for the holidays. One element works the week of Christmas and the other element works the week of New Years. (U.S. Air Force photo/Senior Airman Jared Trimarchi)