HMCS Calgary is a Halifax-class frigate that has served in the Canadian Forces and Royal Canadian Navy since 1995. Calgary is the sixth vessel in her class and the second vessel to carry the designation HMCS Calgary. She was built as part of the Canadian Patrol Frigate Project. Calgary began the FELEX (Frigate Equipment Life Extension) refit in June 2012. She is assigned to Maritime Forces Pacific (MARPAC) and is homeported at CFB Esquimalt. Calgary serves on MARPAC missions protecting Canada's sovereignty in the Pacific Ocean and enforcing Canadian laws in its territorial sea and exclusive economic zone.