Following those exercises, "Yellowknife" and "Brandon" deployed as part of Operation Caribbe, completing their tour on 4 December. In June 2016, "Calgary", , and "Yellowknife" sailed from Esquimalt to participate in the RIMPAC naval exercise. After reports surfaced of a lost nuclear bomb was discovered off the coast of British Columbia, "Yellowknife" was sent to investigate and recover the item. Divers from "Yellowknife" determined the object was not the missing bomb. From August to September 2017, "Yellowknife" and sister ship sailed to the Arctic Ocean to perform surveillance of Canada's northern waters as part of Operation Limpid. They returned to Esquimalt on 5 October. In June and July 2018, "Yellowknife" and sister ship were deployed off the coast of Southern California while taking part in RIMPAC 2018. "Whitehorse" and "Yellowknife" both deployed to the Pacific as part of Operation Caribbe on 15 March 2019. The two ships returned to Esquimalt on 16 May, having participated in the interception of of cocaine and of illicit marijuana.