related tags: 5C5A57 5F5C54 7F7B76 837C71 969F3A 9FA551 C0D207 C3CF27 C7CCD0 CACCCE air aircraft avgeek aviation boeing boeingkc135r egpk force kc135r marchafb pik prestwick prestwickairport states united unitedstatesairforce usaf 80085 580085