That looks like it is near
Naval Base Kitsap [formerly Bangor]
Kitsap is where the nuclear subs are
Reminder: Puget Sound has a ton of nuclear weapons
crosscut.com/2016/07/reminder-puget-sound-nuclear-weapons-naval-base-bangor->>1719163
kitsap-ground-zero
Here is the local story again from KCPQ
Missile launch? Lens flare? Mysterious object spotted over Whidbey Island raises questions
q13fox.com/2018/06/11/missile-launch-lens-flare-mysterious-object-spotted-over-whidbey-island-raises-questions/