190313-N-LF183-1001 BRITISH COLUMBIA, Canada (Mar. 13, 2019) -- U.S. Navy, U.S. Coast Guard, Royal Navy, and Royal Canadian Navy clearance divers stand with a nearly one-ton triangle of 20-inch thick ice during the Royal Canadian Navy’s Ice Diving Training Exercise 2019. Over the course of two weeks, clearance divers from Navy Expeditionary Combat Command’s Underwater Construction Teams 1 and 2 and Mobile Diving and Salvage Units 1 and 2 joined U.S. Coast Guard, Royal Navy, and Royal Canadian Navy clearance divers to sharpen up their ice diving skills. (U.S. Navy Photo by Senior Chief Construction Electrician Terence Juergens).