Boat crewmembers aboard Western Canada Marine Response Corporation vessels deploy u-boom during the CANUSPAC equipment deployment drill, May 22, 2019, in the Strait of Juan de Fuca.
The drill is a joint operation between Canada and the U.S. to promote coordination and preparation in the event of a harmful substances situation in the waters of the U.S. and Canada.
U.S. Coast Guard photo by Petty Officer 2nd Class Ryan Tippets.