Lt. Matthew Brinkley, the commanding officer of the Coast Guard Cutter Mustang, installs a wall support beam on a trailer in Seward, Alaska, Oct. 28, 2015. The Mustang crew volunteered to build the wall on the trailer that will transport the Capitol Christmas Tree from Seward to D.C. (U.S. Coast Guard photo by Petty Officer 3rd Class Meredith Manning)