Complex sentence: RCMP Training Academy Depot (commonly known as "Depot" or "RCMP Depot"), located in Regina, Saskatchewan, has been for the last 125 years the location where the newly appointed Royal Canadian Mounted Police Officer "cadets" receive their police training.
Split into simpler sentences: RCMP training academy (commonly known as "Depot" or "RCMP Depot"). Depot has been for the last 125 years the location where the newly appointed RCMP Officer "cadets" are taught their police training.