It took seven days from the time President Donald J. Trump returned to office for his administration to confirm what the federal government told the American people about drones flying over New Jersey in the droves since last fall: It wasn’t the enemy.

“After research and study, the drones that were flying over New Jersey in large numbers were authorized to be flown by the FAA for research and various other reasons,” White House Press Secretary Karolina Leavitt announced Jan.