Dock workers move ammunition and supplies from Joint Base Charleston - Weapons Station to the USNS Lewis and Clark (T-AKE-1), during a recent ammunition onload at JB Charleston - Weapons Station, S.C. More than 1,700 pallets were loaded onto the ship. This was the first onload of a Military Sealift Command pre-positioning vessel at Joint Base Charleston - Weapons Station in 16 years. (U.S. Air Force photo/Staff Sgt. Rasheen Douglas)

Dock workers move ammunition and supplies from Joint Base Charleston - Weapons Station to the USNS Lewis and Clark (T-AKE-1), during a recent ammunition onload at JB Charleston - Weapons Station, S.C. More than 1,700 pallets were loaded onto the ship. This was the first onload of a Military Sealift Command pre-positioning vessel at Joint Base Charleston - Weapons Station in 16 years. (U.S. Air Force photo/Staff Sgt. Rasheen Douglas)

Dock workers move ammunition and supplies from Joint Base Charleston - Weapons Station to the USNS Lewis and Clark (T-AKE-1), during a recent ammunition onload at JB Charleston - Weapons Station, S.C. More than 1,700 pallets were loaded onto the ship. This was the first onload of a Military Sealift Command pre-positioning vessel at Joint Base Charleston - Weapons Station in 16 years. (U.S. Air Force photo/Staff Sgt. Rasheen Douglas)

A dock worker positions a pallet of supplies onboard the USNS Lewis and Clark (T-AKE-1), during a recent ammunition onload recently at JB Charleston - Weapons Station, S.C. More than 1,700 pallets were loaded onto the ship. This was the first onload of a Military Sealift Command pre-positioning vessel at Joint Base Charleston - Weapons Station in 16 years. (U.S. Air Force photo/Staff Sgt. Rasheen Douglas)

Dock workers move ammunition and supplies from Joint Base Charleston - Weapons Station to the USNS Lewis and Clark (T-AKE-1), during a recent ammunition onload at JB Charleston - Weapons Station, S.C. More than 1,700 pallets were loaded onto the ship. This was the first onload of a Military Sealift Command pre-positioning vessel at Joint Base Charleston - Weapons Station in 16 years. (U.S. Air Force photo/Staff Sgt. Rasheen Douglas)