In the Tafseer Majma-ul-Bayan...

In the Tafseer Majma-ul-Bayan, the author says that "after dominating the earth, Yajuj and Majuj will aspire to conquer the space. They will shoot the arrows towards the heavens and it will return to them with something like blood-stain on it. So they will say: we conquered the inhabitants of the earth and the heaven." Allama S. Saeed Akhtar Rizvi has interpreted the arrows as rocket and space-ships.

If his analysis is correct then we can conclude from this that the whole story of Yajuj and Majuj indicates a "World War " between the future nuclear powers such as Russia, China and the United States , using the rockets from the various space stations to launch nuclear arsenals. The Smoke, another major sign of the Qiyamat, may be the result of this nuclear war. Dabba-tul-Ardh The meaning of Dabbat-ul-Ardh is a "walker of earth". There is a lengthy hadiths explaining the nature of Dabbatulardh.