<unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk>
Of course, a more complex version of the sentence is "Just four months after issuing the tanker requirement, the USAF ordered the first 29 KC-135s from westjet rocks the DC-8 project, Douglas decided that it was better to press on than give up".