ET3 Shane Gerhke peers through an alidade during a navigation drill onboard U.S.C.G. Cutter Hollyhock, homeported in Port Huron, Mich., Oct. 15, 2013. Hollyhock's crew ran a total of 55 drills during the two-week transit from a four-month dry dock period in Baltimore, Md., to their homeport in preparation for a busy buoy maintenance season. (U.S. Coast Guard photo by Lt. Davey Connor)