Our Mission Statement: Sound Defense Alliance works to protect communities and the natural environment from harmful military activity around the Salish Sea, Puget Sound, and the Olympic Peninsula.

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Members and Affiliates of the Alliance

Friends of the San Juans

Ground Zero Center for Nonviolent Action

Marrowstone Island Concerned Citizens (MICC)

National Parks Conservation Association, (NPCA)

The Next Generation Action Alliance

The Orca Network

Protect the Olympic Peninsula (POP)

The Sierra Club, North Olympic Chapter

The Sustainable Economy Collaborative (SEC)

Washington Environmental Council, (WEC)

Washington Physicians for Social Responsibility

Whidbey Environmental Action Network, (WEAN)

Whidbey Island Quakers