The U.S. Air Force revealed new details Wednesday about the virus that’s been infecting the remote cockpits of its drone fleet — and insisted, despite reports from their own personnel, that the infection was properly and easily contained.

In a statement — the military’s first official, on-the-record acknowledgement of the virus — the Air Force insisted that the malware was “more of a nuisance than an operational threat.” The ability of drone pilots to remotely fly the aircraft from Creech Air Force Base in Nevada “remained secure throughout the incident.”

The armed drone has become America’s w...