Ghalib bin Ali, the hereditary Imam of Oman (the religious and secular leader of the interior), was defying the Sultan's authority.
Oman's role in First Gulf War was mainly as a base area and staging post for the large United States Air Force and RAF contingents deployed to the Gulf.
Oman owns the tip of the Mussandam Peninsula in the Arabian Gulf, which may be significant in future conflicts in the region.