Coast Guardsmen aboard a Maritime Security Response Team small boat conduct a training exercise in the Chesapeake Bay Thursday, Nov. 20, 2014. The MSRT is trained to be a first responder to potential terrorist situations; deny terrorist acts; perform security actions against non-compliant actors; perform tactical facility entry and enforcement; participate in port level counterterrorism exercises; and educate other forces on Coast Guard counterterrorism procedures. (U.S. Coast Guard photo by Petty Officer 2nd Class Walter Shinn)