NBC News has been tracking reports of possible drone sightings, mostly in New Jersey, since at least Dec. 3. MartyA45_ / TMX via APThe drones were first spotted in North Jersey, but now appear to be popping up throughout the state. NBC News has also tracked possible drone sightings in New York, Maryland and Florida. Several New Jersey officials have said the drone sightings occur up to 180 times per night. But lawmakers and local officials have expressed frustration with the information from federal officials, demanding answers in a timely manner.

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