A Louisiana National Guard UH-60 Black Hawk helicopter from the 1st Assault Helicopter Battalion, 244th Aviation Regiment lowers a bundle of recycled Christmas trees into Bayou Sauvage during the annual Christmas Tree Drop in New Orleans, April 2, 2015. The trees will create a wave break to trap sediment and restore marshland as part of a U.S. Fish and Wildlife Service program. (Air National Guard photo by Master Sgt. Toby M. Valadie, Louisiana National Guard Public Affairs Office/RELEASED)