A Mexican Air Force C-26A, the type of surveillance aircraft that recorded the Campeche infrared video Zahpo75, Public domain, via Wikimedia Commons
A Mexican Air Force surveillance plane on a drug patrol recorded up to 11 lights visible only in infrared over Campeche. The Defense Ministry gave the video to a UFO researcher, and it aired in May 2004; a later analysis argued the lights were distant oil-platform flares.
