(Left to right) Sgt. Jamel Mercado from the Oregon National Guard's 102nd Civil Support Team talks with Chief Petty Officer Shawn Copp and Petty Officer 3rd Class Brian Kelly, both maritime enforcement specialists with Coast Guard Sector Columbia River's Vessel Boarding Security Team, during a maritime response exercise on the Columbia River May 21, 2014. The multi-agency exercise tested the readiness of the participants' ability to handle various potential threats. (Official Coast Guard photo by Petty Officer 1st Class Zac Crawford)