8/22/2012 - Staff Sgt. John Sweeney and Master-at-Arms Second Class Petty Officer Michael Jones, 628th Security Forces Squadron Harbor Patrol Unit, patrol the waterways Aug. 15, 2012 at Joint Base Charleston - Weapons Station, S.C. The Harbor Patrol Unit's mission is to protect the assets of JB Charleston. The officers patrol 24 hours a day, seven days a week and cover 16 square miles of water around the base. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)

8/22/2012 - The 628th Security Forces Squadron Harbor Patrol Unit patrols and protects the waterways around Joint Base Charleston – Weapons Station 24 hours a day, seven days a week. The boat officers are Air Force, Navy and civilian personnel. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)

8/22/2012 - Officer Patrick Murphy and Staff Sgt. Neil White, 628th Security Forces Squadron Harbor Patrol Unit, simulate a high speed chase Aug. 15, 2012, at Joint Base Charleston - Weapons Station, S.C. The Harbor Patrol Unit's mission is to patrol and protect the waterways around JB Charleston – Weapons Station. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)

8/22/2012 - Officer Patrick Murphy and Staff Sgt. Neil White, 628th Security Forces Squadron Harbor Patrol Unit, simulate a high speed chase Aug. 15, 2012, at Joint Base Charleston - Weapons Station, S.C. The Harbor Patrol Unit's mission is to patrol and protect the waterways around JB Charleston – Weapons Station. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)

8/22/2012 - Master-at-Arms Second Class Petty Officer Michael Jones, 628th Security Forces Squadron Harbor Patrol Unit, drives a Sea Ark boat while on patrol Aug. 15, 2012, in the waters around Joint Base Charleston – Weapons Station, S.C. The Weapons Stations officers patrol the waterways 24 hours a day, seven days a week. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)

8/22/2012 - Staff Sgt. John Sweeney, 628th Security Forces Squadron Harbor Patrol Unit, demonstrates aiming an M240 machine gun while on patrol Aug. 15, 2012, at Joint Base Charleston - Weapons Station, S.C. The M240 has a weight of 27.6 lbs., a maximum effective range of 1,800 meters area target and 800 meters point target. The M240 can shoot from 200 to 600 rounds-per-minute. Officers from the Harbor Patrol Unit must be qualified on the M240 and the M60 machine gun. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)

8/22/2012 - Staff Sgt. John Sweeney, 628th Security Forces Squadron Harbor Patrol Unit, demonstrates aiming an M240 machine gun while on patrol Aug. 15, 2012, at Joint Base Charleston - Weapons Station, S.C. The M240 has a weight of 27.6 lbs., a maximum effective range of 1,800 meters area target and 800 meters point target. The M240 can shoot from 200 to 600 rounds-per-minute. Officers from the Harbor Patrol Unit must be qualified on the M240 and the M60 machine gun. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)

8/22/2012 - Staff Sgt. John Sweeney and Master-at-Arms Second Class Petty Officer Michael Jones, 628th Security Forces Squadron Harbor Patrol Unit, patrol the Cooper River Aug. 15, 2012 at Joint Base Charleston - Weapons Station, S.C. The Harbor Patrol Unit's mission is to protect the assets of JB Charleston. The officers patrol 24 hours a day, seven days a week and cover 16 square miles of waterways around the JB Charleston – Weapons Station. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)

8/22/2012 - Master-at-Arms Second Class Petty Officer Michael Jones, 628th Security Forces Squadron Harbor Patrol Unit, drives a Sea Ark boat while on patrol Aug. 15, 2012 at Joint Base Charleston - Weapons Station, S.C. The Weapons Station officers patrol the waterways around the base 24 hours a day, seven days a week. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)

8/22/2012 - Master-at-Arms Second Class Petty Officer Michael Jones, 628th Security Forces Squadron Harbor Patrol Unit, ties down a Sea Ark boat after a patrol Aug. 15, 2012, at Joint Base Charleston - Weapons Station, S.C. The 628th SFS officers patrol the waterways around the base 24 hours a day, seven days a week. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)