Joint Base Charleston Chief’s Group members and the newest chief master sergeant selects stand together outside the headquarters building Dec. 4, 2018, at JB Charleston, S.C. Chief master sergeant is the highest enlisted rank in the Air Force and is held by only one percent of the enlisted force.

Col. Terrence Adams, 628th Air Base Wing and Joint Base Charleston commander, congratulates chief selects during a release party held Dec. 7, 2018, at JB Charleston, S.C. A release party was held in their honor at the Charleston Club, where base members gathered in support and celebration.

Col. Clint ZumBrunnen, 437th Airlift Wing commander, left, and Chief Master Sgt. Ronnie Phillips, 437th AW command chief, right, congratulate chief select, Senior Master Sgt. Michael Murray, 437th Aircraft Maintenance Squadron flight superintendent, during a release party held Dec. 7, 2018, at Joint Base Charleston, S.C. A release party was held in their honor at the Charleston Club, where base members gathered in support and celebration.

Col. Clint ZumBrunnen, 437th Airlift Wing commander, left, and Chief Master Sgt. Ronnie Phillips, 437th AW command chief, right, congratulate chief select, Senior Master Sgt. Trapper Otto, 437th Maintenance Squadron flight superintendent, during a release party held Dec. 7, 2018 at Joint Base Charleston, S.C. Chief master sergeant is the highest enlisted rank in the Air Force and is held by one percent of the enlisted force.

Col. Clint ZumBrunnen, 437th Airlift Wing commander, left, and Chief Master Sgt. Ronnie Phillips, 437th AW command chief, right, congratulate chief select, Senior Master Sgt. Lacario Tufts, 14th Airlift Squadron flight superintendent, during a release party held Dec. 7, 2018, Joint Base Charleston, S.C. A release party was held in their honor at the Charleston Club, where base members gathered in support and celebration.

Col. Adam Terrence, 628th Air Base Wing commander, left, and Chief Master Sgt. Michael Cole, 628th Air Base Wing command chief, right, congratulate chief select, Senior Master Sgt. Armando Chavez, 628th Logistics Readiness Squadron, flight superintendent, during a release party held Joint Base Charleston, S.C., Dec. 7, 2018. Chief master sergeant is the highest enlisted rank in the Air Force and is held by only one percent of the enlisted force.

Col. Terrence Adams, 628th Air Base Wing commander, left, and Chief Master Sgt. Michael Cole, 628th Air Base Wing command chief, right, congratulate chief select, Senior Master Sgt.Patrick Hackman, 628th Communications Squadron operations flight superintendent, during a release party held Dec. 7, 2018, at Joint Base Charleston, S.C. A release party was held in their honor at the Charleston Club, where base members gathered in support and celebration.