Petty Officer 2nd Class Jon Kimmel and his dog, Luna, an explosive detection canine team from Maritime Safety and Security Team Seattle, walk underneath a hovering MH-60 Jayhawk helicopter during routine training at Coast Guard Sector Columbia River in Warrenton, Ore., July 17, 2019. There are 11 MSSTs whose specialties include waterside security, maritime law enforcement and K-9 explosives detection units. U.S. Coast Guard photo by Seaman Ashley Abshier.