
Kopaska (TNI-AL) is the premier frogman and underwater demolition unit of the Indonesian Navy.This unit motto is Tan Hana Wighna Tan Sirna, which means there is no obstacle that can not be defeated.

("maritime"), via French marin(e), of the sea) are military forces similar to the army. Historically the marine forces or marine corps are infantry forces that are part of the country's navy. However, in some countries the marine force or marine corps is under independent command.