A Coast Guard Air Station San Francisco MH-65 Dolphin helicopter aircrew performs a search and rescue demonstration off Sea View parkway in Alameda, Calif., Tuesday, Oct. 27, 2015. Approximately 600 Alameda elementary school students, faculty and volunteers had the opportunity to view the demonstration, view static displays and talk to Coast Guard personnel. (U.S. Coast Guard photo by Petty Officer 3rd Class Adam Stanton)