Describing defense as a key pillar of bilateral relations, Yoon said the two countries jointly celebrated the successful first test flight of the KF-21 advanced supersonic jet fighter earlier this month. Indonesia refers to the project as IF-X.
"The two countries reaffirmed their intentions to continue to cooperate so that the joint development of next-generation fighters can proceed smoothly until the very end," said Yoon.
He didn't elaborate further on if there had been discussion on Indonesia's overdue payments for the joint KF-21 project, also dubbed the Boramae.
Yoon's presidential office said in a statement, "The two countries are accelerating defense cooperation by jointly developing the next-generation KF-21 fighters."
President Yoon Suk-yeol stressed the strategic importance of Southeast Asia to Korea at a summit with Indonesian President Joko Widodo in Seoul Thursday.
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