30 Nations Participate in Military Exercise in Thailand, Including US Marines and Indonesian Elite Troops

US Marines participate in an amphibious assault exercise as part of the Cobra Gold 2026 (CG26) joint military exercise at a military base in Chonburi province, Thailand, Thursday (26/2/2026). (REUTERS/Chalinee Thirasupa)

There are 7 main participating countries in this annual exercise, namely Indonesia, Thailand, Malaysia, Singapore, South Korea, Japan, and the United States (REUTERS/Napat Wesshasartar)

Not only the 7 main participants, but there are also other participants. According to Reuters, more than 8,000 personnel from 30 countries participated this year, according to an official press release. The exercise began on February 23 and is scheduled to last until March 6. (REUTERS/Napat Wesshasartar)

The exercise, which is held on the eastern coast of Thailand, began with an air strike simulation followed by an amphibious landing. (REUTERS/Chalinee Thirasupa)

The troops then practiced clashes between defending and attacking forces attempting to secure control of a beach. (REUTERS/Chalinee Thirasupa)

Now in its 45th year, Cobra Gold was launched in 1982 and remains one of the largest multinational military exercises in the region, with this year marking a cycle of intensive training that includes a full-scale field training component integrated into the program. (REUTERS/Chalinee Thirasupa)