SAN CLEMENTE ISLAND, Calif. (Sept. 6, 2021) Seabees assigned to U.S. Naval Mobile Construction Battalion 3 place concrete for a 150-foot-by-150-foot concrete pad for vertical takeoff and landing on San Clemente Island, Calif. The Seabees completed 16 placements of 250 cubic-yards of concrete. Once complete, the pad will allow for increased aviation training and operational capacity on the island. (U.S. Navy photo by Lt. j.g. Darin Basso)