Christian Hill reports in The Olympian:
“A spokesman at Joint Base Lewis-McChord said Friday the base was remiss in not informing residents of a major change in air routes that has resulted in dozens of public complaints about helicopter noise this month.”

“Rodriguez [Robert Rodriguez, the official responsible for managing Lewis-McChords airspace] and his colleagues developed two one-way U-shaped routes that veer into Thurston County to accomplish this. The first counter-clockwise blue route passes over Yelm and Lake St. Clair, while the second clockwise red path goes out farther and directs helicopters over a group of lakes in and near Lacey and close to the city of Rainier before turning them north.”
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