Mike Rudolph (yellow gloves), a fishing vessel safety examiner from the Coast Guard's Marine Safety Unit Portland, teaches students ways to make themselves easier to be seen from aircraft overhead in Newport, Oregon Mar. 24, 2017. Rudolph, along with three other instructors, just completed an 18-hour drill conductor's course in which they taught local commercial fishermen how to conduct various emergency drills for the crews aboard their own vessels. U.S. Coast Guard photo by Petty Officer 1st Class Zac Crawford.