Chief Navy Diver Donald R. Acker, from Waianae, Hawaii, assigned to Mobile Diving and Salvage Unit 1, applauds students at Waipahu Elementary School after they finish their annual drug-free walk. The event is held in their neighborhood to promote education, mentoring and healthy lifestyle choices, with a focus on drug prevention awareness. (U.S. Navy photo by Mass Communication Specialist 2nd Class Nardel Gervacio)