Chief Warrant Officer 3 William Wangaman, right, the

Chief Warrant Officer 3 William Wangaman, right, the deputy planner with Defense Security Cooperation Agency, and Cpl. Ronald Seagrave, a rifleman with 1st Battalion, 5th Marine Regiment, cuts through a concrete block with a saw during urban search and rescue training at Treasure Island, Oct. 7, 2015, as part of San Francisco Fleet Week 2015. The event featured demonstrations and hands-on training with tools commonly used for rescue missions during disaster relief.