At 3:00 I was leaving my car when I heard a deep, loud "boom-boom". Sonic boom, I thought, but don't they usually come in pairs? Then fifteen seconds later, another one.
No sirens. CNN clear. Off-course plane? Drill? I dunno.
No sirens. CNN clear. Off-course plane? Drill? I dunno.
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If you heard the boom-boom, you heard a sonic boom. The characteristic double-bang is caused by the front bow wave and the trailing stern wave off the transonic aircraft. Strength of sound is dependent upon size of aircraft and altitude (distance from listener).
There is training airspace throughout the US. If there is a USAF, USN or ANG fighter unit within 300 miles you could have heard a boom of maneuvering jets. Typically the rules are to keep all engagements sub-sonic, but occasionally there are momentary excursions that result in booms.
The second shock fifteen seconds later was the second aircraft.
The Sound of Freedom. It's one of ours. All is good!
Strange there wasn't a bigger hub-bub. Back in the Summer, our duly elected President was in Seattle on a fund-raising trip for his fellow Democrats. Some dummy flying a sea-plane into Lake Washington got lost/distracted/case of the stupids...you name it. End result, he drifted in the Presidential No Fly Zone, before landing and disappearing from radar.
The response involved 2 F-15's making a B-Line for his last reported position, and they went Supersonic over a large portion of the Tacoma/Seattle I-5 Corridor...reports of explosions and bombs were coming in from everywhere...it dominated the news for about 2 days, before the next shiny object came along.
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