November, what are believed by many to be large aerial drones have been spotted at night throughout central and northern New Jersey, causing concern for residents who have been posting videos of the aircraft on their social media accounts and prompting increasing demands from local and state officials for answers.

A series of drone sightings over New Jersey and near U.S. military installations that began in mid-November has residents concerned and lawmakers demanding answers as their origins and purpose remain unknown.

The US government says the flying objects pose no threat to national security, but their origin and intentions remain unclear.