The Navy's Acoustic Research Detachment is located on the banks of Lake Pend Oreille, which provides the perfect conditions for testing new submarine advancements as conditions closely mimic the ocean
The Navy's Most Vital And Secretive Submarine Base Is In... Idaho?!? -- FOXtrot Alpha/Jalopnik
From Foxtrot Alpha: The US Navy's submarine bases are some of the most high-security installations in the world, but one of their most important and shadowy submarine outposts is not in the middle of an ocean, but rather in a lake in landlocked Idaho.
The US Navy's submarine bases are some of the most high-security installations in the world, but one of their most important and shadowy submarine outposts is not located along the ocean, but rather in a lake in landlocked Idaho.
The Navy's Acoustic Research Detachment (ARD) at Bayview, Idaho, which is some 375 miles from the ocean, is where new submarine and surface ship shapes and subsystems are tested in a sub-scale environment that closely mimics the ocean. In other words, ARD Bayview is the Navy's lower-key subsurface Area 51, and massive Lake Pend Oreille is a water based, smaller, and more outsider friendly Nellis Range Complex.
Read more ....
Update #1: The Navy's top secret submarine base in land-locked IDAHO where its new stealth technology -- Daily Mail
Update #2: The Navy's 'Area 51' in North Idaho -- Boise Weekly
My Comment: Forget about the US Navy testing it's newest equipment .... I would love to have a cottage on that lake .... the view looks awesome.