Tech. Sgt. Brian Thorton, 628th Air Base Wing Airea Defense Center paralegal, shares a laugh with professional tennis player Bethanie Lynn Mattek-Sands, as he passes her a tennis ball to be autographed April 3, 2013, at Rookies Sports Grill at Joint Base Charleston – Air Base, S.C. Mattek-Sands was in Charleston competing in the Family Circle Cup tennis tournament and visited the Air Base to sign autographs for Team Charleston members and tour a C-17 Globemaster III. (U.S. Air Force photo by Staff Sgt. Rasheen Douglas)

Col. Dennis Dabney, 437th Maintenance Group commander, talks with professional tennis player Bethanie Lynn Mattek-Sands April 3, 2013, at Rookies Sports Grill at Joint Base Charleston – Air Base, S.C. Mattek-Sands was in Charleston competing in the Family Circle Cup tennis tournament and visited the Air Base to sign autographs for Team Charleston members and to tour a C-17 Globemaster III. (U.S. Air Force photo by Staff Sgt. Rasheen Douglas)

A Family Circle Cup photographer snaps a photograph of professional tennis player Bethanie Lynn Mattek-Sands, with Capt. Karen Mealey (left), 628th Force Support Squadron operations officer, and Capt. Elaine Christian, 628th FSS Sustainment Flight officer April 3, 2013, at Rookies Sports Grill at Joint Base Charleston – Air Base, S.C. Mattek-Sands was in Charleston competing in the Family Circle Cup tennis tournament and visited the Air Base to sign autographs for Team Charleston members and to tour a C-17 Globemaster III. (U.S. Air Force photo by Staff Sgt. Rasheen Douglas)

Professional tennis player Bethanie Lynn Mattek-Sands, speaks to petty officers third class Anthony Higgins and Jameson Williams, Joint Base Charleston-Weapons Station VITA Tax office electrician’s mates from Joint Base Charleston – Weapons Station, April 3, 2013, at Rookies Sports Grill at JB Charleston - Air Base, S.C. Mattek-Sands was in Charleston competing in the Family Circle Cup tennis tournament and visited the air base to sign autographs for Team Charleston members and to tour a C-17 Globemaster III. (U.S. Air Force photo by Staff Sgt. Rasheen Douglas)