P7.5 / Pick-up from previous edition.
21 Sep 2013, Arlington, Virginia, USA --- First responders work with volunteers pretending to be victims in a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) --- Image by © JONATHAN ERNST/Reuters/Corbis
From Nickels 5 and 6