Joint drill ushers military unity

The Gripen aircraft and the F16 jets have different communication systems and for security reasons the US will not unlock the link of the F16 jet's system allowing communication between the F16 jet and the Gripen aircraft. For the purpose of the drill, the air force and navy were able to overcome the restriction and talk to the US-made planes anyway. "The [Thai] air force has for some time requested the unlocking but the US has never agreed on that," said an air force source.

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