Catalina Concrete Marines place and smooth concrete during the Catalina Island Conservancy "Airport in the Sky" project at Catalina Island, Calif., Feb. 9, 2019. SHARE IMAGE: Download Image: Full Size (1.11 MB) Tags: Marine Corps Photo By: Marine Corps Cpl. Mark A. Lowe II VIRIN: 190209-M-ZJ736-663C.JPG Photo Gallery