Senior Airman Raul Pedroza, 1st Special Operations Civil Engineer Squadron structural apprentice, prepares discarded Christmas trees for recycling at Hurlburt Field, Fla., Feb. 3, 2015. In order to utilize Hurlburt resources effectively, the trees are sunk to the bottom of Gator Lake, providing a suitable habitat for marine life. (U.S. Air Force photo by Senior Airman Meagan Schutter/Released)

Senior Airman Raul Pedroza, 1st Special Operations Civil Engineer Squadron structural apprentice, drills through the base of a Christmas tree at Hurlburt Field, Fla., Feb. 3, 2015. To preserve natural resources on Hurlburt, the recycled Christmas trees create a place for fish to gather, forage and avoid predation from larger fish in Gator Lake. (U.S. Air Force photo by Senior Airman Meagan Schutter/Released)

Kristi Walsh, 1st Special Operations Civil Engineer Squadron natural and cultural resource manager, annotates the placement of the recycled Christmas trees in Gator Lake at Hurlburt Field, Fla., Feb. 3, 2015. The trees are providing a suitable habitat for marine life. (U.S. Air Force photo by Senior Airman Meagan Schutter/Released)

Tech. Sgt. Richard Bekolay, 801st Special Operations Maintenance Squdaron, CV-22 aircraft section chief, prepares discarded Christmas trees for recycling at Hurlburt Field, Fla., Feb. 3, 2015. In order to utilize Hurlburt resources effectively, the trees are providing a suitable habitat for marine life in Gator Lake. (U.S. Air Force photo by Senior Airman Meagan Schutter/Released)

The 1st Special Operations Civil Engineer Squadron drops recycled Christmas trees into Gator Lake on Hurlburt Field, Fla., Feb. 3, 2015. Brush piles, such as Christmas trees, can provide a place for fish to gather, forage and avoid predation from larger fish. (U.S. Air Force photo by Senior Airman Meagan Schutter/Released)