(Left to right) Sgts. Jamel Mercado and Jason Scott, both with the Oregon National Guard's 102nd Civil Support Team, take measurements surround a suspected radiological device aboard the motor vessel Ironwood 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)