A U.S. Forest Service lead plane blows smoke to signal a Modular Airborne Fire Fighting System-equipped C-130 from the Wyoming Air National Guard's 153rd Airlift Wing that it’s time to drop its payload during annual MAFFS training, near Cheyenne, Wyo., on May 1, 2014. (Wyoming National Guard photo by Sgt. 1st Class Jimmy McGuire)