In Pictures: Asia's Largest Annual Multilateral Military Exercise

A Thai Navy instructor demonstrates how to catch a snake during a jungle survival exercise. (Image: Reuters)

South Korean marines participate in an amphibious assault exercise as part of the "Cobra Gold 2018" (CG18) joint military exercise at a military base in Chonburi province, Thailand. (Image: Reuters)

U.S. Marines participate in an amphibious assault exercise. (Image: Reuters)

A Thai Navy instructor holds up snakes during a jungle survival exercise. (Image: Reuters)

An U.S. Marine directs a hovercraft onto the beach as they participate in an amphibious assault exercise. (Image: Reuters)

U.S. Marines participate in an amphibious assault exercise. (Image: Reuters)

A South Korea marine eats local vegetables during a jungle survival exercise. (Image: Reuters)

U.S. Marines participate in an amphibious assault exercise. (Image: Reuters)

An U.S. Marine participates in an amphibious assault exercise. (Image: Reuters)

U.S. Marines hold a millipede during a jungle survival exercise. (Image: Reuters)

South Korean marines participate in an amphibious assault exercise. (Image: Reuters)

South Korean marines participate in an amphibious assault exercise. (Image: Reuters)

U.S. Marines participate in an amphibious assault exercise. (Image: Reuters)

Soldiers attend the opening ceremony of Cobra Gold. (Image: Reuters)