On Saturday, April 18t, 2015, the Snohomish County Helicopter Rescue Team participated in the annual Big Four Ice Caves Rescue Drill, which depicts an actual rescue situation requiring the coordination of several agencies, including Robe Valley Fire, U.S. Forestry Service, Snohomish County Volunteer Search and Rescue, Snohomish County Search and Rescue Operations Support Unit, Airlift Northwest, Snohomish County Fire and many others.