Petty Officer 1st Class Jacob Marquardt, a marine science technician assigned to the Coast Guard 13th District Response Advisory Team, instructs Coast Guard and U.S. Army Corps of Engineers personnel on deployment procedures for oil spill containment boom aboard the Corps’ Marine Vessel Puget during a boom deployment exercise near the Chittenden Locks in Seattle, May 11, 2016. The DRAT is a small group of active duty and civilian personnel with spill management, response equipment and response techniques expertise. U.S. Coast Guard photo by Petty Officer 1st Class George Degener.