In an alternate quantum reality visited by Worf in 2370, the crew of the USS Enterprise-D downloaded the imaging logs from the Argus Array to learn what it been observing for six days. An analysis of the logs revealed that the array was performing covert surveillance of several Federation sites. Based on an image from the log, showing a Galor-class warship, they determined that the Cardassians had gain unauthorized access to the array and had redirected the imaging systems for espionage. (TNG: "Parallels" )