Black Hawk Helicopters may be seen in the air Tuesday.

The Massachusetts Emergency Management Agency says a full scale search and rescue exercise is being conducted in Eastern Massachusetts with one of the primary exercise sites in Plainville, the other primary exercise site is in Topsfield.

Officials say that as part of the exercise teams will be transported between sites by military helicopter.

During the exercise the Black Hawk helicopters may be visible.

The exercise, which began Monday, is being sponsored by Fire Chiefs of Massachusetts, Technical Rescue Committee.

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