Petty Officer 2nd Class Justin Whitehead demonstrates the day end of a MK-124 during an open house event at Aids to Navigation Team Kennewick, Wash., March 23, 2013. The MK-124 contains a day end that emitsorange smoke and a night end that emits a red flare that is used in the event of a rescue. (U.S. Coast Guard photo by Petty Officer 3rd Class Jordan AKiyama)