Joint Base Charleston Airmen fill bags with recycled oyster shells Sept. 6, 2013, at the Fort Johnson Oyster Reef Center in Charleston, S.C. The South Carolina Oyster Resoration and Enhancement program uses the bags to create new oyster habitats in the local waters which in turn, improves water quality. Approximately 2,500 service members from JB Charleston participated in the Trident United Way’s Day of Caring, volunteering their skills to assist with more than 50 projects in the local community. (U.S. Air Force Photo/ 2nd Lt. Alexandra Trobe)

Volunteers from Joint Base Charleston wrap up a morning of volunteering Sept. 6, 2013, at the Fort Johnson Oyster Reef Center in Charleston, S.C. Approximately 2,500 service members from JB Charleston participated in the Trident United Way’s Day of Caring, volunteering their skills to assist with more than 50 projects in the local community. (U.S. Air Force Photo/ 2nd Lt. Alexandra Trobe)

Volunteers from Joint Base Charleston wrap up a morning of volunteering Sept. 6, 2013, at the Fort Johnson Oyster Reef Center in Charleston, S.C. Approximately 2,500 service members from JB Charleston participated in the Trident United Way’s Day of Caring, volunteering their skills to assist with more than 50 projects in the local community. (U.S. Air Force Photo/ 2nd Lt. Alexandra Trobe)

Capt. Jonathan Blount, 628th Security Forces Squadron operations officer, fills bags with recycled oyster shells Sept. 6, 2013, at the Fort Johnson Oyster Reef Center in Charleston, S.C. The South Carolina Oyster Resoration and Enhancement program uses the bags to create new oyster habitats in the local waters which in turn, improves water quality. Approximately 2,500 service members from JB Charleston participated in the Trident United Way’s Day of Caring, volunteering their skills to assist with more than 50 projects in the local community. (U.S. Air Force Photo/ 2nd Lt. Alexandra Trobe)

Ray Sagan , 437th Maintenance Squadron Aerospace Ground Equipment technician, shovels recycled oyster shells into a bucket, Sept. 6, 2013, at the Fort Johnson Oyster Reef Center in Charleston, S.C. The South Carolina Oyster Resoration and Enhancement program uses the oyster shells to fill bags to create new oyster habitats in the local waters which in turn, improves water quality. Approximately 2,500 service members from JB Charleston participated in the Trident United Way’s Day of Caring, volunteering their skills to assist with more than 50 projects in the local community. (U.S. Air Force Photo/ 2nd Lt. Alexandra Trobe)

Joint Base Charleston Airmen fill bags with recycled oyster shells Sept. 6, 2013, at the Fort Johnson Oyster Reef Center in Charleston, S.C. The South Carolina Oyster Resoration and Enhancement program uses the bags to create new oyster habitats in the local waters which in turn, improves water quality. Approximately 2,500 service members from JB Charleston participated in the Trident United Way’s Day of Caring, volunteering their skills to assist with more than 50 projects in the local community. (U.S. Air Force Photo/ 2nd Lt. Alexandra Trobe)