Vietnam's withdrawal from Cambodia and its entry into ASEAN, combined with the withdrawal of Russian forces from Vietnam, diminished the strategic rationale for Thai-Chinese security cooperation. There are stirrings of Thai uneasiness with Chinese intentions and capabilities on the South China Sea. Of more direct concern to Bangkok are China's expanding military ties with Burma and the possibility that the Sino-Burmese relationship could lead to Burma's acquisition of offensive weapons. Border tensions between Thailand and Burma,in the view of some Thai analysts, have the potential to escalate into armed conflict. The Thais are also concerned about reports of Chinese use of Burmese facilities on the Indian Ocean