(Awon meji yioku ni Atlantis ati Endeavour.) Nigba to koko sise ni 1984, Discovery je oko-afiyipo keta sugbon loni ohun ni eyi to pejulo lenu ise.. 
To keep the Mirror's weight to a minimum it gègéted of inch-Háráck Top and bottom Plates Swihing a Honeyd láttice 