Petty Officer 2nd Class Brett Rielly, a boatswain's mate stationed at Coast Guard Station Juneau, Alaska, answers a student's question in Jody Levernier's sixth-grade math class at Dzantik'i Heeni Middle School April 19, 2013. Rielly explained how, as a search and rescue boat operator, math is very important when conducting missions. U.S. Coast Guard photo by Petty Officer 3rd Class Grant DeVuyst.