Boat crewmembers from Coast Guard Station Belle Isle and Sector Detroit train with boat crewmembers from the Royal Canadian Mounted Police, during a Shiprider training exercise on the Detroit River in between Windsor, Ontario, Canada and Detroit, Mich., Oct. 25, 2012. Regularized Shiprider operations respect the sovereignty of both the US and Canada and are based on the principles of shared border management, effective law enforcement, appropriate and measured information sharing, and robust privacy protection. U.S. Coast Guard photo by Petty Officer 2nd Class Levi Read.