EL’s team from the Environmental Risk Assessment Branch for unmanned aircraft systems (EPR-UAS) showing their remotely controlled flying machines are, from left, Justin Wilkens with the Phantom 2 Vision; Jenny Laird with the Flamewheel F550; and Robbie Boyd with the second Phantom 2. Project managers can contact team members to schedule a demonstration of the UASs and learn about monitoring or sampling of dangerous or environmentally sensitive sites. EL photo.