ALAMEDA, Calif. - In speaking to SeaChange production crew, Lt. j.g. Linden M. Dahlkemper and Ensign A. Andres Ayure, describes the industrial technology used in buoy tender operations from the deck of the cutter Aspen Nov. 4, 2011. Bay-area based Coast Guard volunteers are working with SeaChange productions to generate content for educational instructional videos focusing on high school-level science, technology, engineering and math topics. U.S. Coast Guard video by Chief Petty Officer Sarah B. Foster