Maybe. See here:
Thailand was ready to join the international marine patrol mission to ensure sealane security in the Straits of Malacca, according to Prime Minister Surayud Chulanont.Well, it is right there...
Gen. Surayud Chulanont told the visiting Singapore Defence Minister Teo Chee Hean that Thailand and Singapore have had strong and close relations formany years and that the country is prepared to be part of the joint naval patrols to secure the Straits of Malacca from international piracy.
The three littoral states – Indonesia, Malaysia, and Singapore – reportedly planned to invite Thailand to participate in the joint patrol in order to have more "eyes" to guard one of the busiest international shipping lanes in the world.