Sonic Boom Startles DC Area After US Jets Scramble

The Washington Post reports:

An authorized Defense Department plane caused a sonic boom heard across the D.C. region Sunday afternoon, officials in Maryland said. The sonic boom was related to an incident involving a Cessna that crashed in Virginia, three people with knowledge of the situation said. Two of them said the Cessna was unresponsive when hailed by authorities, causing the military jets to scramble.

The loud, explosive sound startled residents across the District, Maryland and Virginia around 3:10 p.m. For nearly an hour, it was unclear what had made the noise. On social media, people from areas as far-flung as Springfield, Va., and Bowie, Md., reported hearing the boom and feeling the accompanying vibrations that shook houses and left people searching for the source.

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