The public has until Dec. 2 to weigh in on an environmental document pertaining to the U.S. Coast Guard’s proposal to expand and modernize Base Seattle, the Coast Guard announced Oct. 11. The Coast Guard has released a Draft Programmatic Environmental Impact Statement of the proposal, a document that looks at the possible environmental effects of proposed action alternatives. “The purpose of the expansion is to provide adequate facilities and infrastructure at Base Seattle to support current and future execution of the Coast Guard’s statutory missions,” the Coast Guard said. “Base Seattle is the largest Coast Guard facility in the…