Approximately 3,000 personnel from Canadian and U.S. military forces and government civilian agencies will participate in the full-scale training exercise Frontier Sentinel (EX FS 08-2), which will focus on maritime homeland security from June 9-13, 2008. The exercise will take place in the northwestern Atlantic Ocean, off the coasts of northeastern , specifically the waterways of and . "This exercise tests and validates the ability of forces, Canadian forces, and civilian agencies to work together to our mutual benefit," said the Exercise Director, Capt. Christian Haugen. "We have plans and procedures in place -- with Frontier Sentinel, we can see what works, and what needs polishing.