Petty Officer 3rd Class Sam Potter, an aviation maintenance technician, performs anti-corrosion maintenance on a MH-60 Jayhawk helicopter inside the hangar at Coast Guard Sector Columbia River in Warrenton, Oregon, Mar. 26, 2017. This is only one of the many tasks performed during this particular maintenance period. U.S. Coast Guard photo by Petty Officer 1st Class Zac Crawford.