David Coffield, a delegate from U.S. Rep. Steve Scalise's office, listens, along with other Louisiana congressional staff delegates, to Petty Officer 2nd Class Stephen Nicolls, a rescue swimmer with Coast Guard Air Station New Orleans, explain how Coast Guard helicopter crews conduct rescues with their equipment in an MH-65 Dolphin helicopter Sept. 23, 2015. Louisiana congressional staff delegates received a tour of the New Orleans-based air station and the missions of the other Coast Guard units in the New Orleans area. (U.S. Coast Guard photo by Petty Officer 2nd Class Jonathan Lally)