In February 2015, "Whitehorse" was deployed as part of Operation Caribbe. In early March 2015, "Whitehorse", in conjunction with the United States Navy frigate and the United States Coast Guard Cutter , intercepted a freighter in international waters in the eastern Pacific Ocean that led to the seizure of of cocaine. In late March, "Whitehorse" assisted the US Coast Guard in a second drug bust, this time in international waters off El Salvador. Over of cocaine was seized in the operation. The coastal defence ship returned to Canada on 15 April 2015. On 10 June 2015, "Whitehorse" aided the stricken pleasure craft "Amora Mai" whose engine had caught fire east of Robson Point, British Columbia. "Whitehorse" towed the damaged vessel to Port McNeill.