060721-N-8878B-011 (July 21, 2006)US Navy (USN) Builder 2nd Class (BU2) Curtis Burnham, second from the left, pushes a wheelbarrow stacked with 240 pounds of concrete up a steep hill, while USN Construction Electrician 1ST Class (CE1) Yulin Wright, far right, tries to catch him during the Fourth Annual Seabee Builder's Challenge held at Naval Base (NB) Point Loma, San Diego, California (CA). The annual competition includes sawing three pieces of wood, shoveling dirt into a garbage can, hammering ten nails into a board, a quarter-mile wheelbarrow race and name that tool contest.U.S. Navy official photo by Mass Communication SPECIALIST SEAMAN Michael C. Barton (RELEASED)