A police department in New Jersey reported that a drone it had sent up to investigate was unable to apprehend the objects.
The mystery surrounding the appearance of countless unidentified drones above air bases and other facilities in the US, UK and Europe has become so widespread that it has now graced the headlines of just about every newspaper in the western world.
Multiple instances of drone incursions have been reported, sometimes involving dozens at a time and authorities are still struggling to determine who is sending them and for what purpose.
Some have speculated that the drones have been sent to scout out potential targets for an attack, perhaps by Iran or Russia, while others maintain that the whole thing has been blown out of proportion.
Recently, a police department in New Jersey - a state that has already been at the center of the phenomenon - reported that it had sent up an 'industrial grade' drone of its own to pursue a group of 50 unidentified drones that had crossed over onto land from the ocean.
The US Coast Guard also sighted 13 drones (with an estimated wingspan of 8ft) following one of its boats.
In the end, the police drone reportedly failed to apprehend the objects which "easily evaded" it before seemingly disappearing into thin air.
"If this is not the military, it is even more terrifying," said NewsNation reporter Rich McHugh.
"These things look like they are fixed-wing and they have multiple lights."
Despite the unnerving nature of the phenomenon, however, White House National Security Communications Advisor John Kirby insisted on Friday that the public had nothing to fear.
Most of the drone sightings are simply misidentified conventional aircraft, he noted.
He did, however, urge members of the public to report any unusual activity and admitted that authorities were still struggling to get to the bottom of some of the sightings.