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Updated at 1:57 PM
DEDHAM, Mass. (WBZ NewsRadio) — The mysterious helicopters that rattled homes south of Boston on Tuesday night belong to the Department of Defense.
The City of Boston confirmed to WBZ NewsRadio that the helicopters were on a training operation which was "fully coordinated with local government officials," through next Friday.
The city said that local residents may "experience higher-than-normal levels of aircraft noise during this time."
Witnesses described what looked like three military-style helicopters. The sightings started at around 8:00 PM.
"It was kind of rough, I noticed the vibration in the house as it flew over," said one witness. Several witnesses said the helicopters flew very low over residential neighborhoods like Dorchester, West Roxbury, Mattapan, and Dedham.
"At first it sounded like a rush of traffic," said Jamal of Dedham.
There was no word from authorities warning of the flight, and several local agencies said they weren't involved.
State Police told WBZ NewsRadio that they were not involved with the helicopters, and the Coast Guard told the station that they had no missions with helicopters running in the Dedham area last night. Similar word came from the U.S. Navy and National Guard.
Hanscom Air Force Base had not returned comment as of early Wednesday morning.
WBZ's James Rojas and Karyn Regal reported this story.
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