Members of the 628th Security Forces Squadron march towards the flagpole for a retreat ceremony May 16, 2014, on Joint Base Charleston, S.C. The 628th SFS was accompanied by members of the Patriot Guard Riders, a non-profit organization which ensures dignity and respect at memorial services honoring fallen military heroes, first responders and honorably discharged veterans. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)

Members of the 628th Security Forces Squadron participate in a retreat ceremony May 16, 2014, on Joint Base Charleston, S.C. The 628th SFS held different events and activities to commemorate National Police Week from May 11 to 17. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)

Members of the 628th Security Forces Squadron salute the flag during a retreat ceremony May 16, 2014, on Joint Base Charleston, S.C. The 628th SFS held different events and activities to commemorate National Police Week from May 11 to 17. (U.S. Air Force photo/Airman 1st Class Clayton Cupit)

Staff Sgt. Edith Wilkinson, 628th Security Forces Squadron member, participates in folding the flag during a retreat ceremony May 16, 2014, on Joint Base Charleston, S.C. The 628th SFS held different events and activities to commemorate National Police Week from May 11 to 17. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)

Members of the 628th Security Forces Squadron participate in folding the flag during a retreat ceremony May 16, 2014, on Joint Base Charleston, S.C. The 628th SFS held different events and activities to commemorate National Police Week from May 11 to 17. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)

Staff Sgt. Edith Wilkinson, 628th Security Forces Squadron member, receives the flag during a retreat ceremony May 16, 2014, on Joint Base Charleston, S.C. The 628th SFS held different events and activities to commemorate National Police Week from May 11 to 17. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)

Members of the 628th Security Forces Squadron march towards the flagpole for a retreat ceremony May 16, 2014, on Joint Base Charleston, S.C. The 628th SFS was accompanied by members of the Patriot Guard Riders, a non-profit organization which ensures dignity and respect at memorial services honoring fallen military heroes, first responders and honorably discharged veterans. (U.S. Air Force photo/ Senior Airman Dennis Sloan)

Members of the 628th Security Forces retire the colors during the Police Week Retreat ceremony May 16, 2014, at Joint Base Charleston – Air Base, S.C. The 628th SFS held different events and activities to commemorate National Police Week from May 11 to 17. (U.S. Air Force photo/ Senior Airman Dennis Sloan)

Joint Base Charleston leadership salute the flag during the Police Week Retreat ceremony May 16, 2014, at Joint Base Charleston – Air Base, S.C. The 628th SFS held different events and activities to commemorate National Police Week from May 11 to 17. (U.S. Air Force photo/ Senior Airman Dennis Sloan)