U.S. Coast Guard Chief Petty Officer Kevin Asher, U.S. Coast Guard Training Center Yorktown food service specialist, and his wife, former U.S. Navy Petty Officer 2nd Class Sharon Asher, install a predator guard for a wood duck nesting box at Fort Eustis, Va., Feb. 7, 2015. The guard is placed under the nesting box to prevent predators from climbing the pole (U.S. Air Force photo by Master Sgt. April Wickes/Released)