My wife and I were watching this live for a bit on the Seattle local news. The most interesting thing to me was the F-15 response from Portland. The air-to-air defense for the upper left corner of the country is handled by the Oregon Air National Guard flying F-15s out of Portland. You can see their base on the other side of the civilian Portland International Airport. When they punch the afterburners, they can get up to the Seattle area in just minutes. As shown by this response, they must keep a couple of aircraft on strip alert. I knew that the AF/ANG did that all across the country for quite a while after 9/11 but then it tapered off. On occasion, the Oregon ANG also scrambles for issues in Canadian air space under NORAD, since I don't think Canadian Forces have any air-to-air defense assets in British Columbia.
McChord Air Force Base in Tacoma is all cargo aircraft these days, Fairchild in Spokane is air refueling and Whidbey Naval Air Station is maritime patrol and electronic warfare. At any one time, there may be a couple of Arleigh Burke destroyers at Naval Station Everett, but they offload ordnance at Indian Island Magazine before making port. So if the Russians decide to make an air strike on the Seattle area, it will be Portland who saves the day for us.