PORT CANAVERAL, Fla. - Coast Guard Petty Officer 2nd Class David Hoag, a marine science technician from Marine Safety Detachment Port Canaveral, teaches students about pollution response during an open house held aboard Coast Guard Station Port Canaveral Thursday, Apr. 25, 2013. Port Canaveral-based Coast Guard units and local agencies participated in the open house with approximately 400 students from Clearlake Middle School. U.S. Coast Guard photo by Petty Officer 3rd Class Jessica Potter.